Question: what is the name given to a one way data transmission
[{'answer': 'unidirectional network', 'provenance': [{'wikipedia_id': '7216005', 'title': 'Unidirectional network', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]