Question: what are the 5 layers of earth atmosphere
[{'answer': 'Exosphere', 'provenance': [{'wikipedia_id': '202898', 'title': 'Atmosphere of Earth', 'start_paragraph_id': 16, 'start_character': 11, 'end_paragraph_id': 16, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Stratification.\n'}]}, {'answer': 'Thermosphere', 'provenance': [{'wikipedia_id': '202898', 'title': 'Atmosphere of Earth', 'start_paragraph_id': 20, 'start_character': 11, 'end_paragraph_id': 20, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Stratification.:Exosphere.\n'}]}, {'answer': 'Mesosphere', 'provenance': [{'wikipedia_id': '202898', 'title': 'Atmosphere of Earth', 'start_paragraph_id': 24, 'start_character': 11, 'end_paragraph_id': 24, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Stratification.:Thermosphere.\n'}]}, {'answer': 'Stratosphere', 'provenance': [{'wikipedia_id': '202898', 'title': 'Atmosphere of Earth', 'start_paragraph_id': 28, 'start_character': 11, 'end_paragraph_id': 28, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Stratification.:Mesosphere.\n'}]}, {'answer': 'Troposphere', 'provenance': [{'wikipedia_id': '202898', 'title': 'Atmosphere of Earth', 'start_paragraph_id': 32, 'start_character': 11, 'end_paragraph_id': 32, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Stratification.:Stratosphere.\n'}]}]