Question: who has the military contract for the m4
[{'answer': 'FN Herstal', 'provenance': [{'wikipedia_id': '321957', 'title': 'M4 carbine', 'start_paragraph_id': 14, 'start_character': 846, 'end_paragraph_id': 14, 'end_character': 856, 'bleu_score': 1.0, 'section': 'Section::::History.:Improved M4.\n'}]}, {'provenance': [{'wikipedia_id': '321957', 'title': 'M4 carbine', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 923, 'bleu_score': 0.9718863376361161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5226232828242583341}, 'section': 'Section::::History.:Improved M4.\n'}]}]