You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

[EX Q]: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Can you check a swimming pool in the west of the city? Sentence2: Yes, there are no swimming pools located to the west of your city. Thank you, if you need help with anything else, contact us again. Sentence3: No thank you, that's all I needed. Sentence4: I have 3 hotels and 2 guesthouses in town centre. Would you like a cheap price range or expensive? Will you also need parking? Sentence5: Okay! Goodbye! Sentence6: I would prefer a guesthouse, and it does not need to include internet. Sentence7: If you change your mind and need a booking, we'll be here. Thanks for using our service! Sentence8: I'd prefer one in the same part of town as my hotel, are you sure there isn't one? Sentence9: We currently do not have any shown attraction in that area you are looking for. Are there any other further things I could assist with? Sentence10: Goodbye. And feel free to contact us if there's any other information you need, as well. Sentence11: The alexander bed and breakfast is a guesthouse in town centre in the cheap price range with a 4 star rating. Would you like to book a room? Sentence12: I am looking for a place to stay in the centre in Cambridge. Sentence13: I'm not showing a swimming pool in the East, but there are 2 in the North, will that work? Sentence14: I am also looking for an attraction, a swimming pool Question: Who has spoken the sentence 13? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: 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
[EX A]:
Answer: (B) System