Question: what holds the bone ends of an amphiarthrodial joint together
[{'answer': 'fibrocartilage', 'provenance': [{'wikipedia_id': '331750', 'title': 'Pubic symphysis', 'start_paragraph_id': 4, 'start_character': 179, 'end_paragraph_id': 4, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}, {'provenance': [{'wikipedia_id': '331750', 'title': 'Pubic symphysis', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 655, 'bleu_score': 0.8565126049220121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8518394180676287522}, 'section': 'Section::::Structure.\n'}]}]