Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: For the taxi, please specify a place of departure, a destination, and a time by which to leave or arrive Sentence2: I will be need a taxi also to get from Corpus Christi College to the restaurant. Sentence3: Your taxi is booked. Your car type is a grey tesla and the contact number is 07621703476 Sentence4: Thanks, I'm good to go now. I appreciate your help, bye! Sentence5: Can I please get the reference number and then can you help me find some places to go near the restaurant? Sentence6: stazione restaurant and coffee bar, don pasquale pizzeria, clowns cafe, cafe uno Sentence7: Yes I need a table for 8 Sunday at 16:45. Sentence8: Im sorry for being so loop, how about a college in that area, whatever you recommend. Sentence9: No problem! I found four restaurants for you to chose from. Would you like for me to make a reservation at one of them? Sentence10: Just one more thing. What is the entrance fee for the college? Sentence11: I am looking for a restaurant serving seafood, in the center of the town. Sentence12: I would like to book a reservation for 8 on Sunday at 16:45 at Stazione Restaurant and coffee bar. Sentence13: There are 13 colleges in the centre, but I personally recommend corpus christi. Can I do anything else for you? Sentence14: Apologies, the reference number is : AY05TZJQ . I have 44 places that I can recommend near the restaurant. Do you have any type of preferences? Sentence15: No, I want expensive Italian food instead. Sentence16: The entrance fee for Corpus Christi College is 2 pounds. Sentence17: This has been booked. Anything else I could help you with ? Sentence18: Please give me the names of the 4 choices and I'll make my selection. Needs to be an expensive Italian restaurant in the Centre. Thanks! Sentence19: ok, first let's verify which restaurant you would like out of the four. Sentence20: I also need to book a taxi. Sentence21: Have a wonderful trip. Sentence22: Loch Fyne offers seafood in the city centre. Would you like me to book you a table? Sentence23: Your taxi is booked. Your car type is a grey tesla and the contact number is 07621703476 Sentence24: I would be leaving the restaurant. Question: Who has spoken the sentence 23? (A) User (B) System
A:
Answer: (B) System