Question: where did the us send a humanitarian force from 1992 to 1994
[{'answer': 'Somalia', 'provenance': [{'wikipedia_id': '3176864', 'title': 'Unified Task Force', 'start_paragraph_id': 1, 'start_character': 121, 'end_paragraph_id': 1, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3176864', 'title': 'Unified Task Force', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 355, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 369026740570541838}, 'section': 'Section::::Operation.:Results.\n'}]}]