Question: what aspects of network communication are described by a protocol
[{'answer': 'possible error recovery methods', 'provenance': [{'wikipedia_id': '28030850', 'title': 'Communication protocol', 'start_paragraph_id': 1, 'start_character': 292, 'end_paragraph_id': 1, 'end_character': 323, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the rules syntax , semantics and synchronization of communication'}, {'provenance': [{'wikipedia_id': '28030850', 'title': 'Communication protocol', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 401, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17284965841599566968}, 'section': 'Section::::Abstract.'}]}]