Question: what is the yin and yang symbol called
[{'answer': 'the taijitu', 'provenance': [{'wikipedia_id': '329877', 'title': 'Taijitu', 'start_paragraph_id': 35, 'start_character': 23, 'end_paragraph_id': 35, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Modern yin-yang symbol.\n'}]}, {'provenance': [{'wikipedia_id': '329877', 'title': 'Taijitu', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 581, 'bleu_score': 0.9427836745142131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2232728610880152221}, 'section': 'Section::::Abstract.'}]}]