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

[EX Q]: Sentence1: Okay. Can you tell me how much it costs to get in? Sentence2: No thank you, that is everything. Sentence3: I am looking for an architecture attraction somewhere in Cambridge. Sentence4: You're welcome. Have a good day! Sentence5: There are 5 different attractions all located in the centre of the city. I'd recommend holy trinity church. Sentence6: The vehicle you will be expecting is a black Tesla . The contact number is 07726876557. Anything else you need? Sentence7: Your hotel is booked starting Wednesday and your reference number is PADGS18 . May I assist you with anything else today? Sentence8: I have booked you a taxi that will pick you up at 1:15 from Holy Trinity Church. Would you like the car type and contact number? Sentence9: Yes, what can you tell me about a hotel called the Warkworth House? Sentence10: I would like to book it for 8 people for 2 nights starting on wednesday. Sentence11: Yes, please, that would be nice. Sentence12: It is free. Is there anything else that I can help you with? Sentence13: Actually, yes. I need a taxi to pick me up from Holy Trinity Church at 1:15 and take me to the hotel. Sentence14: Hey, the Warkworth is in the East part of town, it's a four star hotel with moderate pricing. What can I tell you about it? Question: Who has spoken the sentence 10? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Are you sure? I'd really like some Austrian food. Sentence2: Yes I am sure. However, I do have a number of restaurants listed as serving European food. Would you like information on these? Sentence3: Thank you, let us know if you need any more help with anything. Sentence4: The phone number is 01223307030. The address is Quayside Off Bridge STreet and the postcode is cb58aq. Can I book a reservation? Sentence5: Yes please. I prefer the centre of town if possible. Sentence6: I would like for that to be cheap as well. Sentence7: No, I'm all set, thanks. Goodbye! Sentence8: Hi, I'm looking for a cheap austrian restaurant. Sentence9: Sounds good. Could you give me the number? Also, the address and postcode. Sentence10: The River Bar Steakhouse and Grill located in the Centre has cheap Modern European food. Would you care for that? Sentence11: There are a number of European options in the town centre. Do you have a price range? Sentence12: I'm sorry but I don't have any Austrian restaurants? Would you like to try a different cuisine? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I have train TR3225 that arrives at 10:58 is that good for you? Sentence2: You are all set, your confirmation number is 1Q0G4OWL, can I assist with anything else? Sentence3: Trains begin leaving Kings Lynn at 5:11, may I know your destination please? Sentence4: I need help finding a train out of kings lynn. Sentence5: Thank you! Can you also please recommend a 4-star guesthouse? Sentence6: Is the system back up? Can you make that booking I asked for.? Sentence7: Would day do you want to travel on ? Sentence8: I want to travel on Friday. Sentence9: Sure that sounds great. I need it for 8 people and 5 nights starting on friday. Sentence10: I apologize the system is down please try back later Sentence11: You are booked for train ID TR1958. Your reference number is H8N2SC1Z . The total fee is 78.4 GBP payable at the station. May I help with something else? Sentence12: My destination is Cambridge and I need to be there by 11:30. Sentence13: Yes, I need to book that for 8 people. Can I have the reference number? Sentence14: a and b guesthouse is a nice place, do you want their info ? Sentence15: No that would be it thanks ! Sentence16: You're welcome, I'm glad to have helped! Bye now! Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System