Question: who was involved in the ww1 christmas truce
[{'answer': 'French', 'provenance': [{'wikipedia_id': '417262', 'title': 'Christmas truce', 'start_paragraph_id': 2, 'start_character': 332, 'end_paragraph_id': 2, 'end_character': 338, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'German', 'provenance': [{'wikipedia_id': '417262', 'title': 'Christmas truce', 'start_paragraph_id': 2, 'start_character': 340, 'end_paragraph_id': 2, 'end_character': 346, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'British', 'provenance': [{'wikipedia_id': '417262', 'title': 'Christmas truce', 'start_paragraph_id': 2, 'start_character': 352, 'end_paragraph_id': 2, 'end_character': 359, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '417262', 'title': 'Christmas truce', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 930, 'bleu_score': 0.970791317076327, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1416077743529717036}, 'section': 'Section::::Abstract.'}]}]