Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: No, that's all I need. Sentence2: The hospital postcode is CB20QQ. Would you like us to go ahead and book an appointment? Sentence3: Oh dear, I'm sorry to hear that! The Clinical Decisions Department only lists their phone number with us, it's 01223596203. However, we can book an appointment for you. Sentence4: I got injured and need directions for the clinical decisions unit department Sentence5: I need the post code. Sentence6: OK. Hope all goes well for you. Bye. Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System