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 have booked you a taxi at 2:15. The car is a white skoda and the contact number is 07572703155. Is there anything else I can help you with? Sentence2: I will need you to make that reservation and provide a reference number. Sentence3: Nee to go from the hotel and the restaurant. I should leave by 2:15. Sentence4: I can book a taxi I just need the following information the travel time, departure site and the arrival destination. Sentence5: I have Gonville Hotel at Gonville Place. Would you like to book a room there? Sentence6: And how many people do you need the reservation for? Sentence7: Booking was successful. Reference number is : UJUMJ5OS . Anything else you need? Sentence8: No, thanks, but I will be needing a taxi. Sentence9: The postcode is cb23jx. Would you like me to reserve a table for you? Sentence10: Please look in the centre of town. Sentence11: Actually I changed my mind just 2 nights for 5 people Sentence12: I need an expensive place to stay. Sentence13: There are several options. Which part of town would you like? Sentence14: Have a lovely day, goodbye. Sentence15: I will be happy to book a room for you for four nights starting Thursday. Is there anything else I can help you with? Sentence16: Thank you so much. That's all I need today. Sentence17: I don't have a star rating preference but it needs to have free wifi. Sentence18: What star rating would you like? Sentence19: Yes, I need the postcode for Bangkok city restaurant please. Sentence20: Yes can you please book four nights starting thursday Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User