Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Problem:Sentence1: You are booked for the Pizza Express. Your reference number is G6O0PMU6 . Sentence2: Good day. I'm headed into town and I need help finding a guesthouse that offers free wifi please Sentence3: thank you that will be all Sentence4: Okay, i'll try it out! Book me for 6 people, 2 nights starting this monday. Sentence5: I would refer in the center and as long as it's moderate pricing. Sentence6: There are two pizza express locations in the centre. One in Regent Street City Centre and the other in Jesus Lane Fen Ditton. Would one of those work for you? Sentence7: The area doesn't matter, but I would like it to be in the moderate price range. Sentence8: Have a good visit! Sentence9: Your booking was successful! Your reference number is M2YEYUTC . Is there anything else I can help with? Sentence10: Four great options in the north and one in the east, I suggest the Acorn. Sentence11: there are 5. which side of town do you prefer? Sentence12: Yes, let's go for the one in Regent Street City Centre. It will be on Monday, at 19:15, and there will be 6 people. Sentence13: Okay, I can help with that. What is your price range and what area would you like to stay in? Sentence14: Thank you. Yes, I also need to find a moderately priced Italian restaurant. Question: Who has spoken the sentence 1? (A) User (B) System
Solution:
Answer: (B) System