class_docstr: Single Test based on a dummy input.
code: def demo_input(self):
      d_list = [
          {
              "txt": "yukigassen\n is a snowball fighting-competition from "
              "japan. today there are annual tournaments in "
              "s\u014dbetsu, hokkaid\u014d in japan, kemij\u00e4rvi in"
              " finland, vard\u00f8 in norway, murmansk in russia, "
              "mount buller, victoria in australia, lule\u00e5 in "
              "sweden, anchorage in alaska, aparan in armenia, jasper,"
              " alberta and saskatoon, saskatchewan in canada.\nthe "
              "word consists of the japanese words yuki (snow) and "
              'kassen (battle) with rendaku. hence "yukigassen" '
              "means snow battle, but is a common term for 'snowball "
              "fight' in japanese.\n......",
              "link": {
                  "Q1066517": [[17, 46], [483, 497]],
                  "Q35581": [[106, 114]],
                  "Q744704": [[125, 134]],
                  "Q33": [[138, 145]],
                  "Q108983": [
                      [147, 152],
                      [1720, 1725],
                      [1907, 1912],
                      [2089, 2094],
                  ],
                  "Q1763": [[164, 172]],
                  "Q984117": [[184, 206]],
                  "Q26268": [
                      [221, 226],
                      [1534, 1539],
                      [1015, 1020],
                      [1175, 1180],
                      [1363, 1368],
                  ],
                  "Q39450": [[238, 247]],
                  "Q797": [[251, 257]],
                  "Q39618": [[259, 265]],
                  "Q399": [[269, 276]],
                  "Q999429": [[278, 293]],
                  "Q10566": [[298, 321]],
                  "Q5287": [[358, 366]],
                  "Q3943791": [[379, 383], [444, 448], [1627, 1631]],
                  "Q178561": [[397, 403]],
                  "Q1192464": [[410, 417]],
                  "Q1035213": [[744, 760]],
                  "Q131647": [
                      [964, 969],
                      [1118, 1123],
                      [1305, 1310],
                      [1477, 1482],
                      [1669, 1674],
                      [1865, 1870],
                      [2047, 2052],
                      [925, 930],
                  ],
                  "Q406039": [
                      [1029, 1039],
                      [1189, 1199],
                      [1377, 1387],
                      [1548, 1558],
                      [1734, 1744],
                      [1922, 1926],
                      [2104, 2108],
                  ],
                  "Q847956": [
                      [1052, 1064],
                      [1211, 1223],
                      [1404, 1416],
                      [1584, 1596],
                      [1766, 1778],
                      [1951, 1957],
                      [2146, 2152],
                  ],
                  "Q873364": [
                      [1073, 1085],
                      [1243, 1255],
                      [1429, 1441],
                      [1608, 1620],
                      [1808, 1820],
                      [1975, 1981],
                      [2175, 2181],
                  ],
                  "Q44853": [[1745, 1753]],
                  "Q218082": [
                      [0, 10],
                      [426, 436],
                      [522, 532],
                      [704, 714],
                      [831, 841],
                  ],
                  "UNK": [
                      [97, 104],
                      [698, 725],
                      [1040, 1051],
                      [1200, 1210],
                      [1442, 1452],
                      [1597, 1607],
                      [1224, 1242],
                      [1256, 1280],
                      [1559, 1583],
                      [1388, 1403],
                      [1621, 1640],
                      [1779, 1795],
                      [1821, 1826],
                      [1959, 1964],
                      [1928, 1940],
                      [1983, 2006],
                  ],
              },
              "entity": "Yukigassen",
          },
          {
              "txt": "harry hyams\nharry john hyams (2 january 1928 \u2013 19 december "
              "2015) was a british millionaire who initially made his money as a"
              " speculative property (real estate) developer. he was best known "
              "as the developer of the centre point office building in "
              "london.\n......",
              "link": {
                  "Q2339039": [[213, 225], [961, 973]],
                  "Q149787": [[283, 289]],
                  "Q19186": [[291, 300]],
                  "Q753878": [[633, 642]],
                  "Q743535": [[1139, 1146]],
                  "Q43747844": [[1301, 1310]],
                  "Q7290153": [[1388, 1402], [1566, 1580]],
                  "Q7743416": [[1584, 1600]],
                  "Q5669913": [[0, 11], [12, 28]],
              },
              "entity": "Harry Hyams",
          },
      ]
      return d_list
  
imports: from absl import logging
  from absl.testing import absltest
  from scenic.projects.knowledge_visual_language.data.wikidata import data_util
label_desc: Use image node_id 2 for calling the ClipModelsTest obj's underlying member method code with example usage: obj.demo_input() and returns: d_list