Question: attempt to make a computer resource unavailable to its intended users is called
[{'answer': 'DoS attack', 'provenance': [{'wikipedia_id': '39776', 'title': 'Denial-of-service attack', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'denial - of - service attack'}, {'provenance': [{'wikipedia_id': '39776', 'title': 'Denial-of-service attack', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 476, 'bleu_score': 0.9392234271418961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14466976158205105306}, 'section': 'Section::::Abstract.'}]}]