Question: what are the layers of the osi model
[{'answer': 'Physical', 'provenance': [{'wikipedia_id': '22747', 'title': 'OSI model', 'start_paragraph_id': 30, 'start_character': 20, 'end_paragraph_id': 30, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Layer architecture.\n'}]}, {'answer': 'Data link', 'provenance': [{'wikipedia_id': '22747', 'title': 'OSI model', 'start_paragraph_id': 32, 'start_character': 40, 'end_paragraph_id': 32, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Layer architecture.:Layer 1: Physical Layer.\n'}]}, {'answer': 'Network', 'provenance': [{'wikipedia_id': '22747', 'title': 'OSI model', 'start_paragraph_id': 41, 'start_character': 20, 'end_paragraph_id': 41, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Layer architecture.:Layer 2: Data Link Layer.\n'}]}, {'answer': 'Transport', 'provenance': [{'wikipedia_id': '22747', 'title': 'OSI model', 'start_paragraph_id': 45, 'start_character': 20, 'end_paragraph_id': 45, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Layer architecture.:Layer 3: Network Layer.\n'}]}, {'answer': 'Session', 'provenance': [{'wikipedia_id': '22747', 'title': 'OSI model', 'start_paragraph_id': 51, 'start_character': 20, 'end_paragraph_id': 51, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Layer architecture.:Layer 4: Transport Layer.\n'}]}, {'answer': 'Presentation', 'provenance': [{'wikipedia_id': '22747', 'title': 'OSI model', 'start_paragraph_id': 53, 'start_character': 20, 'end_paragraph_id': 53, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Layer architecture.:Layer 5: Session Layer.\n'}]}, {'answer': 'Application', 'provenance': [{'wikipedia_id': '22747', 'title': 'OSI model', 'start_paragraph_id': 57, 'start_character': 20, 'end_paragraph_id': 57, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Layer architecture.:Layer 6: Presentation Layer.\n'}]}]