Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Thank you for your help Sentence2: Addenbrookes Hospital has a medical decisions unit. It is at Hills Rd, Cambridge. Sentence3: You are welcome. Thank you for using the Cambridge TownInfo centre. Goodbye. Sentence4: Hello, I need a hospital please and make sure it has a medical decisions unit, if you will. Sentence5: No, that's it. Thanks. Sentence6: What is the postcode? Sentence7: Thank you. Can you please let me know their phone number? Sentence8: You're very welcome. Will there be anything else? Sentence9: The postcode is CB20QQ. Sentence10: The medical decisions department can be reached at 01223596066. Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System