diff --git a/docs/source/example_wsj0001.json b/docs/source/example_wsj0001.json
new file mode 100644
index 000000000..25d1cf5c7
--- /dev/null
+++ b/docs/source/example_wsj0001.json
@@ -0,0 +1,337 @@
+{
+   "id": "wsj_0001",
+   "paragraphs": [
+      {
+         "raw": "Pierre Vinken, 61 years old, will join the board as a nonexecutive director Nov. 29. Mr. Vinken is chairman of Elsevier N.V., the Dutch publishing group.",
+
+         "segmented": "Pierre Vinken<SEP>, 61 years old<SEP>, will join the board as a nonexecutive director Nov. 29<SEP>.<SENT>Mr. Vinken is chairman of Elsevier N.V.<SEP>, the Dutch publishing group<SEP>.",
+
+         "sents": [
+            0,
+            85
+         ],
+
+         "tokens": [
+            {
+               "dep": "NMOD",
+               "start": 0,
+               "head": 7,
+               "tag": "NNP",
+               "orth": "Pierre"
+            },
+            {
+               "dep": "SUB",
+               "start": 7,
+               "head": 29,
+               "tag": "NNP",
+               "orth": "Vinken"
+            },
+            {
+               "dep": "P",
+               "start": 13,
+               "head": 7,
+               "tag": ",",
+               "orth": ","
+            },
+            {
+               "dep": "NMOD",
+               "start": 15,
+               "head": 18,
+               "tag": "CD",
+               "orth": "61"
+            },
+            {
+               "dep": "AMOD",
+               "start": 18,
+               "head": 24,
+               "tag": "NNS",
+               "orth": "years"
+            },
+            {
+               "dep": "NMOD",
+               "start": 24,
+               "head": 7,
+               "tag": "JJ",
+               "orth": "old"
+            },
+            {
+               "dep": "P",
+               "start": 27,
+               "head": 7,
+               "tag": ",",
+               "orth": ","
+            },
+            {
+               "dep": "ROOT",
+               "start": 29,
+               "head": -1,
+               "tag": "MD",
+               "orth": "will"
+            },
+            {
+               "dep": "VC",
+               "start": 34,
+               "head": 29,
+               "tag": "VB",
+               "orth": "join"
+            },
+            {
+               "dep": "NMOD",
+               "start": 39,
+               "head": 43,
+               "tag": "DT",
+               "orth": "the"
+            },
+            {
+               "dep": "OBJ",
+               "start": 43,
+               "head": 34,
+               "tag": "NN",
+               "orth": "board"
+            },
+            {
+               "dep": "VMOD",
+               "start": 49,
+               "head": 34,
+               "tag": "IN",
+               "orth": "as"
+            },
+            {
+               "dep": "NMOD",
+               "start": 52,
+               "head": 67,
+               "tag": "DT",
+               "orth": "a"
+            },
+            {
+               "dep": "NMOD",
+               "start": 54,
+               "head": 67,
+               "tag": "JJ",
+               "orth": "nonexecutive"
+            },
+            {
+               "dep": "PMOD",
+               "start": 67,
+               "head": 49,
+               "tag": "NN",
+               "orth": "director"
+            },
+            {
+               "dep": "VMOD",
+               "start": 76,
+               "head": 34,
+               "tag": "NNP",
+               "orth": "Nov."
+            },
+            {
+               "dep": "NMOD",
+               "start": 81,
+               "head": 76,
+               "tag": "CD",
+               "orth": "29"
+            },
+            {
+               "dep": "P",
+               "start": 83,
+               "head": 29,
+               "tag": ".",
+               "orth": "."
+            },
+            {
+               "dep": "NMOD",
+               "start": 85,
+               "head": 89,
+               "tag": "NNP",
+               "orth": "Mr."
+            },
+            {
+               "dep": "SUB",
+               "start": 89,
+               "head": 96,
+               "tag": "NNP",
+               "orth": "Vinken"
+            },
+            {
+               "dep": "ROOT",
+               "start": 96,
+               "head": -1,
+               "tag": "VBZ",
+               "orth": "is"
+            },
+            {
+               "dep": "PRD",
+               "start": 99,
+               "head": 96,
+               "tag": "NN",
+               "orth": "chairman"
+            },
+            {
+               "dep": "NMOD",
+               "start": 108,
+               "head": 99,
+               "tag": "IN",
+               "orth": "of"
+            },
+            {
+               "dep": "NMOD",
+               "start": 111,
+               "head": 120,
+               "tag": "NNP",
+               "orth": "Elsevier"
+            },
+            {
+               "dep": "NMOD",
+               "start": 120,
+               "head": 147,
+               "tag": "NNP",
+               "orth": "N.V."
+            },
+            {
+               "dep": "P",
+               "start": 124,
+               "head": 147,
+               "tag": ",",
+               "orth": ","
+            },
+            {
+               "dep": "NMOD",
+               "start": 126,
+               "head": 147,
+               "tag": "DT",
+               "orth": "the"
+            },
+            {
+               "dep": "NMOD",
+               "start": 130,
+               "head": 147,
+               "tag": "NNP",
+               "orth": "Dutch"
+            },
+            {
+               "dep": "NMOD",
+               "start": 136,
+               "head": 147,
+               "tag": "VBG",
+               "orth": "publishing"
+            },
+            {
+               "dep": "PMOD",
+               "start": 147,
+               "head": 108,
+               "tag": "NN",
+               "orth": "group"
+            },
+            {
+               "dep": "P",
+               "start": 152,
+               "head": 96,
+               "tag": ".",
+               "orth": "."
+            }
+         ],
+         "brackets": [
+            {
+               "start": 0,
+               "end": 7,
+               "label": "NP"
+            },
+            {
+               "start": 15,
+               "end": 18,
+               "label": "NP"
+            },
+            {
+               "start": 15,
+               "end": 24,
+               "label": "ADJP"
+            },
+            {
+               "start": 0,
+               "end": 27,
+               "label": "NP-SBJ"
+            },
+            {
+               "start": 39,
+               "end": 43,
+               "label": "NP"
+            },
+            {
+               "start": 52,
+               "end": 67,
+               "label": "NP"
+            },
+            {
+               "start": 49,
+               "end": 67,
+               "label": "PP-CLR"
+            },
+            {
+               "start": 76,
+               "end": 81,
+               "label": "NP-TMP"
+            },
+            {
+               "start": 34,
+               "end": 81,
+               "label": "VP"
+            },
+            {
+               "start": 29,
+               "end": 81,
+               "label": "VP"
+            },
+            {
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+               "end": 83,
+               "label": "S"
+            },
+            {
+               "start": 85,
+               "end": 89,
+               "label": "NP-SBJ"
+            },
+            {
+               "start": 99,
+               "end": 99,
+               "label": "NP"
+            },
+            {
+               "start": 111,
+               "end": 120,
+               "label": "NP"
+            },
+            {
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+               "end": 147,
+               "label": "NP"
+            },
+            {
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+               "end": 147,
+               "label": "NP"
+            },
+            {
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+               "end": 147,
+               "label": "PP"
+            },
+            {
+               "start": 99,
+               "end": 147,
+               "label": "NP-PRD"
+            },
+            {
+               "start": 96,
+               "end": 147,
+               "label": "VP"
+            },
+            {
+               "start": 85,
+               "end": 152,
+               "label": "S"
+            }
+         ]
+      }
+   ]
+}