Question: who has the authority to decide if a drug is marketed as an otc or prescription-only product
[{'answer': 'The FDA', 'provenance': [{'wikipedia_id': '192042', 'title': 'Over-the-counter drug', 'start_paragraph_id': 23, 'start_character': 115, 'end_paragraph_id': 23, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Regulation by country.:United States.\n'}]}, {'provenance': [{'wikipedia_id': '192042', 'title': 'Over-the-counter drug', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 518, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13947100119666307849}, 'section': 'Section::::Regulation by country.:United States.:Restricted over-the-counter substances.\n'}]}]