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: Thank you, please do remember you can contact us again at any time you need more help! Have a great day! Sentence2: I'm looking for a hotel to stay in the north, specifically, a guesthouse. Sentence3: Your room at Worth House is booked, ref# 6HUOIUXC . They do offer free parking. Is there anything else I can help you with? Sentence4: I'm sorry. Yes. Please book the train on Friday arriving by 14:30 for one person. Sentence5: Sure! Does it include free parking? If so I am looking for a reservation for 1 starting friday for 3 nights. Sentence6: That is all I need, thank you. Bye. Sentence7: Super! I have a range of guesthouses in the north. May I recommend Worth House, rated 4 stars but cheaply priced? The guesthouse offers internet and parking. Sentence8: The booking was successful, the total fee is 75.09 GBP payable at the station. Your reference number is : QQFBZTYO . Is there anything else I can help you with? Sentence9: TR7040 arrives at 14:23. Would you like me book for you? Sentence10: Hello! I'm just planning my trip to Cambridge and need train schedules. Sentence11: depart from birmingham new street ,I want to leave on Friday and arrive by 14:30 Sentence12: I'd love to assist you with that. Where are you departing from, and when do you want to leave? Sentence13: Book it for myself. Sentence14: I'm sorry if I misread, but did you want me to book that TR7040 train ticket for you? If so, how many tickets would you like? Question: Who has spoken the sentence 5? (A) User (B) System
Solution:
Answer: (B) System