You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Yes. Their phone number is 01223314960. Can I help you with anything else? Sentence2: Enjoy your visit. Thank you for calling Cambridge TownInfo Centre. Goodbye. Sentence3: That would be perfect. Can I get the phone number, please? Sentence4: No, not today, thanks. Goodbye. Sentence5: Are any of them in the centre? Sentence6: We have many interesting museums, such as the Cambridge Artworks, Cambridge Museum of Technology, and the Whipple Museum of the History of Science. Anything in particular strike your fancy? Sentence7: Actually, I have 11 of them in the centre area. Might I suggest the Broughton House Gallery. It has free entrance and is located at 98 King Street. Sentence8: I am trying to find a really neat museum to visit. Would you be able to tell me whats available out there? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System