Question: which layer of osi model does data compression
[{'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'}]}]