Question: what is the full form of g p s
[{'answer': 'Global Positioning System', 'provenance': [{'wikipedia_id': '11866', 'title': 'Global Positioning System', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11866', 'title': 'Global Positioning System', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 482, 'bleu_score': 0.974188104609039, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 620863322555736205}, 'section': 'Section::::Abstract.'}]}]