Question: what is the equivalent of the alt key on a mac
[{'answer': 'Option key', 'provenance': [{'wikipedia_id': '692735', 'title': 'Alt key', 'start_paragraph_id': 6, 'start_character': 44, 'end_paragraph_id': 6, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Evolution.\n'}]}, {'provenance': [{'wikipedia_id': '692735', 'title': 'Alt key', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 259, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12838178708603253667}, 'section': 'Section::::Alt key for special characters.:macOS.\n'}]}]