Question: when confronted by horatio what causes the ghost to leave
[{'answer': 'the cock crows', 'provenance': [{'wikipedia_id': '1428439', 'title': 'Ghost (Hamlet)', 'start_paragraph_id': 5, 'start_character': 283, 'end_paragraph_id': 5, 'end_character': 297, 'bleu_score': 1.0, 'section': 'Section::::In "Hamlet".\n'}]}, {'provenance': [{'wikipedia_id': '1428439', 'title': 'Ghost (Hamlet)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 718, 'bleu_score': 0.891720691396862, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16724875965017486597}, 'section': 'Section::::In "Hamlet".\n'}]}]