Question: who declared war on the united states four days after pearl harbor
[{'answer': 'Nazi Germany', 'provenance': [{'wikipedia_id': '13869376', 'title': 'Consequences of the attack on Pearl Harbor', 'start_paragraph_id': 21, 'start_character': 22, 'end_paragraph_id': 21, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Germany and Italy declare war.\n'}]}, {'answer': 'Fascist Italy', 'provenance': [{'wikipedia_id': '13869376', 'title': 'Consequences of the attack on Pearl Harbor', 'start_paragraph_id': 21, 'start_character': 39, 'end_paragraph_id': 21, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Germany and Italy declare war.\n'}]}, {'provenance': [{'wikipedia_id': '13869376', 'title': 'Consequences of the attack on Pearl Harbor', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7333827743776501536}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13869376', 'title': 'Consequences of the attack on Pearl Harbor', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 159, 'bleu_score': 0.9243880458347601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7333827743776501536}, 'section': 'Section::::Germany and Italy declare war.\n'}]}, {'provenance': [{'wikipedia_id': '13869376', 'title': 'Consequences of the attack on Pearl Harbor', 'section': 'Section::::Germany and Italy declare war.\n', 'start_paragraph_id': 21, 'end_paragraph_id': 21, 'meta': {'evidence_span': ['On December 11, 1941, Nazi Germany and Fascist Italy declared war on the United States, and the United States reciprocated, formally entering the war in Europe.', 'On December 11, 1941, Nazi Germany and Fascist Italy declared war on the United States']}}]}]