Question: who changed the seven commandments in animal farm
[{'answer': 'Squealer', 'provenance': [{'wikipedia_id': '620', 'title': 'Animal Farm', 'start_paragraph_id': 7, 'start_character': 158, 'end_paragraph_id': 7, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Plot summary.\n'}]}, {'provenance': [{'wikipedia_id': '620', 'title': 'Animal Farm', 'start_paragraph_id': 60, 'start_character': 4, 'end_paragraph_id': 60, 'end_character': 649, 'bleu_score': 0.903311658269846, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4220108725567134431}, 'section': 'Section::::Analysis.:Animalism.\n'}]}]