Question: what side did the usa enter in wwi
[{'answer': "`` associated power ''"}, {'provenance': [{'wikipedia_id': '2198871', 'title': 'Allies of World War I', 'start_paragraph_id': 83, 'start_character': 317, 'end_paragraph_id': 83, 'end_character': 836, 'bleu_score': 0.557334638566599, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2487309674764031668}, 'section': 'Section::::Co-belligerents; the United States.\n'}]}]