Question: where is the master cylinder located in a car
[{'answer': 'brake and clutch systems', 'provenance': [{'wikipedia_id': '1554425', 'title': 'Master cylinder', 'start_paragraph_id': 4, 'start_character': 56, 'end_paragraph_id': 4, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Vehicle applications.\n'}]}, {'provenance': [{'wikipedia_id': '1554425', 'title': 'Master cylinder', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1371, 'bleu_score': 0.961025099008289, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7148690564422767135}, 'section': 'Section::::Vehicle applications.\n'}]}]