Question: why did the roman catholic and eastern orthodox split
[{'answer': 'ecclesiastical differences and theological disputes', 'provenance': [{'wikipedia_id': '543935', 'title': 'East–West Schism', 'start_paragraph_id': 2, 'start_character': 16, 'end_paragraph_id': 2, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '543935', 'title': 'East–West Schism', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 429, 'bleu_score': 0.8980997040373141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14924024835722864124}, 'section': 'Section::::Abstract.'}]}]