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

Example Input: Sentence1: All I need to know is what time you would like your ride for and I can get that booked for you right away. Sentence2: There are 8 of us going. Sentence3: Vue Cinema is located in the centre, would you like the address and phone number? Sentence4: There's nothing more that I need. Thanks, bye! Sentence5: The entrance fee is not showing up on my computer, the address is The Grafton Centre, East Road. Is there anything else I can assist you with? Sentence6: What can you tell me about the hotel el shaddai? Sentence7: I want to leave at 12:30 from my hotel and go to the cinema. Please give me the car type and phone number Sentence8: The phone number is 08712240240. Sentence9: I just want the phone number and entrance fee please Sentence10: How many people will the taxi be for? Sentence11: Great, thank you. Could you also help me with booking a taxi to go from the hotel to the cinema? Sentence12: You are welcome enjoy. Sentence13: Yes, I am also looking for a good cinema to visit in the centre of town. Sentence14: The taxi will be a white toyota and the contact number is 07880526604. Is there anything else I can assist you with today? Sentence15: El Shaddai is a cheap guesthouse located in the centre that has free parking and internet. Would you like the phone number and address? Sentence16: I asked you for the phone number not the address. Sentence17: No but I would like to make a booking for 8 people and 2 nights starting from thursday. Sentence18: Ok, I have your guest house booked for 8 people, for 2 days, starting on Thursday.You reference number is JZ3CHA4K . Is there anything else you need? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Not a problem and thank you for choosing Cambridge TownInfo Centre Sentence2: Yes I have locations on the east, north and city center. Any preference for location? Sentence3: Thank you very much for helping me today! Sentence4: We can certainly help with that. Are you heading to the boat or to the hotel, and what time do you need the taxi? Sentence5: Gonville Hotel is a three star hotel with parking and is in the centre area. Does this sound good? Sentence6: Yes, I also need to get a taxi to go between them, please. Sentence7: I'd be happy to make that reservation for you. What days would you like to stay there, and how many are in your party? Sentence8: I would like a three star hotel, do not care about price. Sentence9: Great! I also need a hotel while I am there. I do need free parking but internet is optional. Sentence10: I am looking for a place to get a boat. Can you help me? Sentence11: Alright. There are a total of 29 hotels and guesthouses available. Is there a certain price range or area you wish? Sentence12: Yes that sounds fine. I would like to book a reservation please. Sentence13: I was able to get a red volvo for you phone number 07586716905 Sentence14: Can you make that for starting monday, 4 nights and 7 people? Sentence15: I need to leave the hotel by 5:00. Sentence16: The booking was successful! Your reference number is UR6L3NLS . Anything else I can help with? Sentence17: No problem. There is the Riverboar Georgina which is located in the north side of town. The address is Cambridge Passenger Cruises, Jubilee House and the postcode is cb43ax. Sentence18: No, I don't have any preference. You can just pick whichever one looks best and give me the phone number, address, and area. Question: Who has spoken the sentence 14? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: How many tickets please Sentence2: I want to go to Cambridge on Wednesday. Sentence3: I can give you all kinds of information as well as book a ticket. Where are you going and when? Sentence4: Have a great stay in town. Goodbye. Sentence5: Train TR9741 arrives at 07:52 and I have booked you for 2,here is your information:Booking was successful, the total fee is 8.8 GBP payable at the station . Reference number is : U44P6DQP . Sentence6: I want you to book it for 5 nights, starting wednesday. 2 people. Sentence7: Where will you leave from? Sentence8: Sure thing, what kind of information do you need? Sentence9: Nope, that's all I need today. Thanks for all your help. Goodbye! Sentence10: Okay that booking was successful. Your reference number is 2VD26230 . Anything else I can do for you? Sentence11: I am looking for information and would appreciate the help. Can you help with a train? Sentence12: Would you like to specify a departure or arrival time? Sentence13: I would need 2 tickets. Sentence14: Can you also look up the hotel Carolina Bed and breakfast? Sentence15: I will be leaving from ely. Sentence16: I need to arrive by 08:45 Question: Who has spoken the sentence 13? (A) User (B) System
Example Output:
Answer: (B) System