Question: what is the use of esc in computer
[{'answer': "`` stop ''"}, {'provenance': [{'wikipedia_id': '2062485', 'title': 'Esc key', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 584, 'bleu_score': 0.9245459133338021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9431451526417746090}, 'section': 'Section::::Abstract.'}]}]