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

Q: Sentence1: Can you verify that the hospital has a transplant high dependency unit? Sentence2: Can you help me find a hospital nearby? Sentence3: Yes, it does. Here is the unit's phone number: 01223216811. Do you need any other information? Sentence4: I would like the address and phone number please. Sentence5: No that is everything. Thank You Sentence6: Sure, the phone number is 01223245151 and the address is Hills Rd, Cambridge. Sentence7: The nearest hospital to you is at Hills Rd, Cambridge. would you like their phone number? Sentence8: Alright sounds good. I hope everything is okay. Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: No, surprise me. I will need the address and the area, though. Sentence2: I'll need one from leicester to cambridge on saturday, leaving after 16:30 Sentence3: No thanks, that will be all. Sentence4: Is there anything else I can help you with today? Sentence5: I don't need a reservation, I just need the address and the area. Sentence6: Alright. Thanks for using our service and have a nice day. Goodbye. Sentence7: It is the centre area and its address is Free School Lane City Centre Sentence8: Good afternoon! I'd like to visit an expensive european restaurant. Will you help me find one? Sentence9: Okay. Thank you. Sentence10: The train arrives at 18:54 and costs 30.24 pounds. Sentence11: Eraina is a very nice restaurant in the centre. How many in your party? And what day and time should I make your reservation for? Sentence12: What time does it arrive and the price? Sentence13: Where would you like to depart and arrive? Sentence14: Yes there are 5 restaurants that meet your requirements. Do you have a part of town or type of food you prefer? Sentence15: Great,I also need information on getting a train. Sentence16: I have a train for you that leaves at 17:09. Would you like me to book it? Question: Who has spoken the sentence 14? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Is that in the centre area and a museum? If it is please let me know the address, phone and entrance fee. Sentence2: Alright, I have booked you at Home from Home for two nights, reference number OASAAHHB . Sentence3: I have cheap and moderately priced guesthouses in the centre. What would you like, cheap or moderate? Sentence4: I would like to find a place to stay next weekend Sentence5: I just am looking for a place to stay in the north that includes free parking and should be a guesthouse. Sentence6: Sure, how about the broughton house gallery? Sentence7: Thank you! Have a wonderful day! Sentence8: Price doesn't matter. I need it for 3 people for 2 nights, starting thursday. Can I get the reference number? Sentence9: No, that's all I needed. Goodbye! Sentence10: We are happy to help. Do you have anything else you'd like assistance with? Sentence11: Thank you so much. I'm also looking for a good museum in town. Sentence12: Thank you so much for all your help! Sentence13: Yes, it is. The address is 98 king street, the entrance fee is free, and the phone number is 01223314960. Sentence14: Sure, what day would you like to begin your stay and how long will you be staying? Question: Who has spoken the sentence 11? (A) User (B) System

A:
Answer: (B) System
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