Question: who is not covered by the occupational health and safety act (1970)
[{'answer': 'self - employed', 'provenance': [{'wikipedia_id': '227123', 'title': 'Occupational Safety and Health Administration', 'start_paragraph_id': 18, 'start_character': 31, 'end_paragraph_id': 18, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::OSH Act coverage.:Not covered under the OSH Act.\n'}]}, {'answer': 'immediate family members of farm employers'}, {'answer': 'workplace hazards regulated by another federal agency'}, {'provenance': [{'wikipedia_id': '227123', 'title': 'Occupational Safety and Health Administration', 'start_paragraph_id': 18, 'start_character': 27, 'end_paragraph_id': 18, 'end_character': 244, 'bleu_score': 0.8592899528284991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8428131659205207320}, 'section': 'Section::::OSH Act coverage.:Not covered under the OSH Act.\n'}]}]