Fix task_categories

README.md

@@ -16,9 +16,7 @@ size_categories:
 source_datasets:
 - original
 task_categories:
-- other-text-to-tabular
 - text-retrieval
-- other-text-to-structured
 task_ids:
 - entity-linking-retrieval
 - fact-checking-retrieval
@@ -31,6 +29,8 @@ configs:
 - nell_candidate_sentences
 tags:
 - relation-extraction
+- text-to-structured
+- text-to-tabular
 ---
 
 # Dataset Card for Never Ending Language Learning (NELL)