Question: a mixture that does not appear to be the same throughout is said to be
[{'answer': 'heterogeneous', 'provenance': [{'wikipedia_id': '286069', 'title': 'Mixture', 'start_paragraph_id': 4, 'start_character': 38, 'end_paragraph_id': 4, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Characteristics of mixtures.\n'}]}, {'provenance': [{'wikipedia_id': '286069', 'title': 'Mixture', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 371, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17157875240757293664}, 'section': 'Section::::Physics and chemistry.\n'}]}]