Question: who makes the rules about irradiation of food
[{'answer': 'FDA', 'provenance': [{'wikipedia_id': '15374', 'title': 'Food irradiation', 'start_paragraph_id': 2, 'start_character': 483, 'end_paragraph_id': 2, 'end_character': 486, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'United States Department of Agriculture ( USDA )'}]