Question: which layer of the osi model handles physical addressing
[{'answer': 'physical layer or layer 1', 'provenance': [{'wikipedia_id': '78300', 'title': 'Physical layer', 'start_paragraph_id': 1, 'start_character': 57, 'end_paragraph_id': 1, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '78300', 'title': 'Physical layer', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16443723144065629140}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '78300', 'title': 'Physical layer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 157, 'bleu_score': 0.934334813046729, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16443723144065629140}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '78300', 'title': 'Physical layer', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['the physical layer or layer 1 is the first and lowest layer', 'In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer. This layer may be implemented by a PHY chip.', 'In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer. This layer may be implemented by a PHY chip.']}}]}]