Question: are pure metals made of atoms or ions
[{'answer': 'atoms', 'provenance': [{'wikipedia_id': '19042', 'title': 'Metal', 'start_paragraph_id': 4, 'start_character': 212, 'end_paragraph_id': 4, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19042', 'title': 'Metal', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 432, 'bleu_score': 0.9720210313175831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18017742876743569045}, 'section': 'Section::::Properties.:Form and structure.\n'}]}]