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: What part of town would you like ? Sentence2: Leave after 14:45. I need a booking for 7 people and the reference number. Sentence3: I need a train leaving Cambridge on Sunday. Sentence4: Thanks so much for your help, I think that will be all I need today. Sentence5: Alright I booked that, and your reference is PMCEY5JA . Anything else I can do? Sentence6: Can I get your destination please? Sentence7: Stansted Airport please. Sentence8: You're very welcome. Enjoy your stay. Sentence9: i'm also looking for info about a restaurant. Sentence10: What time would you like to leave? Sentence11: Booking was successful, the total fee is 56.56 GBP payable at the station. Reference number is : LZY6ET2M . Is there anything else I can assist you with today? Sentence12: I am specifically looking for a restaurant called fitzbillies restaurant. I am wanting to book a table for 10:15 for 7 people on Sunday. Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User