Question: what traditionally goes on top of the christmas tree
[{'answer': 'angel', 'provenance': [{'wikipedia_id': '7770', 'title': 'Christmas tree', 'start_paragraph_id': 2, 'start_character': 375, 'end_paragraph_id': 2, 'end_character': 380, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'star', 'provenance': [{'wikipedia_id': '7770', 'title': 'Christmas tree', 'start_paragraph_id': 2, 'start_character': 384, 'end_paragraph_id': 2, 'end_character': 388, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7770', 'title': 'Christmas tree', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 657, 'bleu_score': 0.9672705043138801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5002027635924003760}, 'section': 'Section::::Abstract.'}]}]