Question: list the three major groups of connective tissue
[{'answer': 'special connective tissue', 'provenance': [{'wikipedia_id': '228845', 'title': 'Connective tissue', 'start_paragraph_id': 6, 'start_character': 79, 'end_paragraph_id': 6, 'end_character': 104, 'bleu_score': 1.0, 'section': 'Section::::Types.\n'}]}, {'answer': 'loose connective tissue', 'provenance': [{'wikipedia_id': '228845', 'title': 'Connective tissue', 'start_paragraph_id': 6, 'start_character': 143, 'end_paragraph_id': 6, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Types.\n'}]}, {'answer': 'dense connective tissue', 'provenance': [{'wikipedia_id': '228845', 'title': 'Connective tissue', 'start_paragraph_id': 6, 'start_character': 171, 'end_paragraph_id': 6, 'end_character': 194, 'bleu_score': 1.0, 'section': 'Section::::Types.\n'}]}, {'provenance': [{'wikipedia_id': '228845', 'title': 'Connective tissue', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 874, 'bleu_score': 0.9843125095516201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11699127383328238116}, 'section': 'Section::::Types.\n'}]}]