Question: what is the meaning of g s m
[{'answer': 'Global System for Mobile Communications', 'provenance': [{'wikipedia_id': '12808', 'title': 'GSM', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12808', 'title': 'GSM', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 479, 'bleu_score': 0.6076302535228161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13447285118371208041}, 'section': 'Section::::Abstract.'}]}]