Question: why would someone take a chondroitin sulfate supplement
[{'answer': 'for treatment of osteoarthritis', 'provenance': [{'wikipedia_id': '504825', 'title': 'Chondroitin sulfate', 'start_paragraph_id': 1, 'start_character': 548, 'end_paragraph_id': 1, 'end_character': 579, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '504825', 'title': 'Chondroitin sulfate', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 579, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6213537666424791627}, 'section': 'Section::::Abstract.'}]}]