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: I hope you have a great stay in Cambridge! Sentence2: In order to book a train I need departure location, destination, travel time, day of week and number of people. Sentence3: Yes, please. I'll write it down. Sentence4: between which areas will you be commuting? Sentence5: Yes I'll need a table for 7 on Monday please. Sentence6: Yes, please. The same group from the restaurant will be traveling. Sentence7: Is there anything else I can help you with today? Sentence8: Sure, I like Chinese. Sentence9: Would you like me to book tickets for you? Sentence10: I will be departing from Leicester and would like to arrive by 11:45. Sentence11: I was hoping to find an expensive restaurant in the south. Sentence12: The good luck chinese food takeaway is located at 82 Cherry Hinton Road Cherry Hinton. Would you like to reserve a table? Sentence13: There are five expensive restaurants in the south. Would you like to try a Chinese cuisine? Sentence14: For Friday for 2 people thank you ! Sentence15: Would you like a reference number? Sentence16: That is all I needed. Sentence17: I'm also in a need of a train Sentence18: TR7151 has been booked! Your reference number is Q34HN7VC . Sentence19: What time would you like to dine on Friday? Sentence20: I'll need the train to come to Cambridge, please, so that I can make it to the restaurant that you've booked for me. Sentence21: Ok, I was able to make a booking for 7 people at 17:15. Your reference number is : J2YDX084 . Can I help with anything else? Sentence22: Oh, around 17:15. But, I meant to say on Monday, not Friday and for 7 people not 2. Thanks! Sentence23: Thank you so much for your help. Sentence24: Okay, and when would you like the reservation to be? Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User