Question: who started the fall of the berlin wall
[{'answer': 'the Hungarian government', 'provenance': [{'wikipedia_id': '3722', 'title': 'Berlin Wall', 'start_paragraph_id': 118, 'start_character': 166, 'end_paragraph_id': 118, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Fall of the Berlin Wall.\n'}]}, {'provenance': [{'wikipedia_id': '3722', 'title': 'Berlin Wall', 'start_paragraph_id': 118, 'start_character': 148, 'end_paragraph_id': 118, 'end_character': 615, 'bleu_score': 0.9731482306711111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7656501528283156964}, 'section': 'Section::::Fall of the Berlin Wall.\n'}]}]