Question: material that is weathered to become the mineral part of the soil
[{'answer': 'lava flow bedrock', 'provenance': [{'wikipedia_id': '37738', 'title': 'Soil', 'start_paragraph_id': 41, 'start_character': 75, 'end_paragraph_id': 41, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Formation.\n'}]}, {'provenance': [{'wikipedia_id': '37738', 'title': 'Soil', 'start_paragraph_id': 41, 'start_character': 0, 'end_paragraph_id': 41, 'end_character': 1096, 'bleu_score': 0.9884053071617651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12761332035262715632}, 'section': 'Section::::Formation.\n'}]}]