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

Q: Sentence1: Okay that is all I needed. Sentence2: Can you help me find a hospital close by for an injury I have? Sentence3: The address is Hills Rd, Cambridge and Postcode is CB20QQ. Sentence4: I have information for Addenbrookes Hospital at Hills Rd, Cambridge. If you have a certain department you would like to contact, I can get that number for you. Sentence5: Okay. Glad I could be of help. Sentence6: I just need the adress and the postcode if you have it. Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I have Gonville Hotel in centre area or The Lensfield hotel in the south area. What is your preference? Sentence2: I'm also looking for a hotel to stay in. Preferably a 3 star one. Sentence3: I'm planning to leave on Thursday. Sentence4: Which day are you planning to travel? Sentence5: The Gonville would be great, could you get me the phone number, price range, and postcode? Sentence6: They are in the expensive range, located on gonville place, postal code cb11ly, they are reachable at 01223366611, may I assist with anything else? Sentence7: There are several trains leaving Norwich, what day are you leaving and where are you going? I also need the time you want to leave or arrive. Sentence8: Yes the departure time is 15:16. I booked you for 8 on Train ID TR8040. The Reference number is : 1HY8AJ7Y . Sentence9: No thank you for everything. Sentence10: You are welcome. Have a good evening. Sentence11: I want a train leaving from norwich. Sentence12: As long as you mean a 15:16 departure, I'll take 8 tickets, please. Sentence13: I have a 5:16 departure to Cambridge that arrives at 16:36. Would that do? Sentence14: What area of town would you like? Do you have a price range in mind? Sentence15: I would like to leave after 14:30 and go to Cambridge, please. Sentence16: I don't have a preference for either, but I'd like it to be in the type of hotel. I'll also need free parking. Question: Who has spoken the sentence 15? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Yes, I'm also interested in finding some kind a multiple sports place to go while I'm in town. Is there anything like that? Sentence2: It is located at 144 thornton road postcode cb30nd and the phone number is 01223276653. Sentence3: Thank you, that is all I need today. Sentence4: How can I book a room? Sentence5: Where is Finches Bed and Breakfast located? Sentence6: Their phone number is 01223576412 and they're located in the east. Sentence7: Your booking was successful. Your reference number is 1KB3H7VC . May I help you with anything else? Sentence8: You are most welcome, have a wonderful day! Sentence9: I need to book it for 3 days starting on Wednesday. There are 6 people in my party. Sentence10: Please, what's their phone number and what area are they in? Sentence11: I'd be happy to do that for you, if you want to give me your details. Sentence12: There is the Cherry Hinton Village Center in the east. Would you like more information? Question: Who has spoken the sentence 7? (A) User (B) System

A:
Answer: (B) System
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