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: It doesn't matter on the pricing or about having free parking. I would like the hotel to be like a guesthouse. Sentence2: Thanks, that's all I needed today. You've been a great help. Goodbye! Sentence3: Yes actually, could you book that for me? I've changed my mind. Sentence4: Okay, do you have any price range you're looking for? Sentence5: That won't be necessary thanks. Sentence6: I am also looking for a train on the same day as my hotel booking that goes to cambridge that arrives by 20:00 and departs from stevenage. Sentence7: What day would you like that reservation? Sentence8: Thanks for using our service. Have a great day. Goodbye. Sentence9: The reference number is M8CQ8Y16 . Sentence10: Could I get the reference number? Sentence11: Yes please, that would be wonderful. I would like a booking for 4 people, and the reference number, please. Sentence12: I need a place to stay in South of town. Sentence13: That's fine. I'm here to help. For how many people and how many nights will that be? Sentence14: Friday, and after 20:00. Sentence15: TTR7278 leaves at 17:54 and arrives at 18:43, cost is 12.80 pounds per person, would you like me to book you? Sentence16: Is there anything else I can help you with? Sentence17: The stay is for 4 of us for 3 nights. Sentence18: Aylesbray lodge guest house fits your needs. Would you like me to book that for you? Sentence19: I was able to book you for 4 tickets on train TR7278. The total fee is 51.2 GBP payable at the station. Sentence20: Friday, please, and for 3 nights. Thank you! Sentence21: OK, any date or time preferences? Sentence22: Booking was successful. Your reference number is PYDLXTII . Can I help you with anything else? Question: Who has spoken the sentence 5? (A) User (B) System
Solution:
Answer: (B) System