Question: what do sodium and magnesium have in common
[{'answer': 'form binary alloys with zinc', 'provenance': [{'wikipedia_id': '487510', 'title': 'Group 12 element', 'start_paragraph_id': 9, 'start_character': 153, 'end_paragraph_id': 9, 'end_character': 181, 'bleu_score': 1.0, 'section': 'Section::::Physical and atomic properties.\n'}]}, {'provenance': [{'wikipedia_id': '487510', 'title': 'Group 12 element', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 1485, 'bleu_score': 0.9775644462531831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 136642173808271427}, 'section': 'Section::::Physical and atomic properties.\n'}]}]