Question: age-related loss of muscle mass and strength is called
[{'answer': 'Sarcopenia', 'provenance': [{'wikipedia_id': '3108990', 'title': 'Sarcopenia', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3108990', 'title': 'Sarcopenia', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 529, 'bleu_score': 0.9353868346438581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15229635095420442260}, 'section': 'Section::::Abstract.'}]}]