Question: under our form of government (the u.s.) which branch is responsible for law enforcement
[{'answer': 'Department of Homeland Security', 'provenance': [{'wikipedia_id': '58236', 'title': 'United States Department of Homeland Security', 'start_paragraph_id': 0, 'start_character': 14, 'end_paragraph_id': 0, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '58236', 'title': 'United States Department of Homeland Security', 'start_paragraph_id': 25, 'start_character': 26, 'end_paragraph_id': 25, 'end_character': 1120, 'bleu_score': 0.922351726925382, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1632002966780980662}, 'section': 'Section::::Function.\n'}]}]