Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: It is Da Vinci Pizzeria. I need a booking for 3 people at 17:45 on Monday. Sentence2: I have a question about places to go in Cambridge today. Sentence3: What is the name of the restaurant? Sentence4: I'd like to visit a college and need to know the area, phone number, and entrance fee if that applies. Sentence5: Clare Hall is a great college in the western part of town. They have free admission. Would this interest you? Or shall I try a different college? Sentence6: Sure, what is your question? Sentence7: i'm also looking for a specific restaurant. Sentence8: Great! Have a great day! Sentence9: Their phone number is 01223332360 Sentence10: No, thank you. That will be all today. Goodbye. Sentence11: I was able to reserve that table for you. Your reference number is VJ04SVH4 . Anything else I can help you with today? Sentence12: What is their phone number? Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System