Question: where are pigment molecules that give hair color located
[{'answer': 'in specialized cells called chromatophores', 'provenance': [{'wikipedia_id': '6021465', 'title': 'Biological pigment', 'start_paragraph_id': 1, 'start_character': 339, 'end_paragraph_id': 1, 'end_character': 381, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6021465', 'title': 'Biological pigment', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 381, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13516599699495072076}, 'section': 'Section::::Abstract.'}]}]