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: Yes please book that for one person and give me the reference number. Sentence2: meh doesn't really matter. just moderately priced... Sentence3: I also have many pricing options and amenity options. Could you give me some direction? Sentence4: I want to book a train. List all tuesday departures to cambridge. Sentence5: Booking was successful, the total fee is 9.8 GBP payable at the station . Reference number is : TT953CJR . Can I help you with anything else today? Sentence6: There are over 200 departures to cambridge on Tuesday, do you have a specific departure place or time? Sentence7: I am also looking for a place to stay. Sentence8: My departure point is Kings Lynn and I need to arrive at Cambridge by 13:45 Sentence9: TR2616 departs at 09:11 would that work? How many tickets would you like to purchase? Sentence10: What are would you like to stay in? Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System