Question: what is a computer operating system and what does it do
[{'answer': 'system software', 'provenance': [{'wikipedia_id': '22194', 'title': 'Operating system', 'start_paragraph_id': 1, 'start_character': 28, 'end_paragraph_id': 1, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'provides common services for computer programs'}, {'answer': 'manages computer hardware and software resources'}, {'provenance': [{'wikipedia_id': '22194', 'title': 'Operating system', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 148, 'bleu_score': 0.9067110266941041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13029868417292420882}, 'section': 'Section::::Abstract.'}]}]