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

Input: Consider Input: Sentence1: Of course, when would you like your reservation to be and for how many people? Sentence2: Do you have a area preference? Sentence3: No that will be all. Sentence4: Excellent, I have booked you a table for 6 at 17:00. Tables are reserved for 15 minutes. The reference number is RI11SSDU . Sentence5: Does it have free wifi? Sentence6: Acorn guest house matches your requirements, would you like to book there? Sentence7: Do you need anything else? Sentence8: What are my choices for a moderate hotel? I don't need free parking. Sentence9: The hotel does have internet. Sentence10: I have results for 18 moderately priced places, what area are you looking to stay in? Sentence11: Great can I get their address, phone number, and postcode? Sentence12: I would like to make a reservation at Hotel Du Vin and Bistro. Sentence13: I have 2 European and 2 Modern European. Do you have a preference? Sentence14: Thank you for contacting Cambridge TownInfo Centre, enjoy you hotel stay and your dinner! Sentence15: I would like the restaurant to be in the Centre and serve European food. Sentence16: The acorn guest house is located at 154 chesterton road, postcode cb41da and the phone number is 01223353888. Sentence17: Yes, in the centre. Sentence18: Six people on Wednesday, at 17:00 Sentence19: Thank you so much for all your help! Sentence20: I am also looking for a restaurant. The restaurant should be in the same price range as the hotel and should serve European food. Sentence21: No particular area, I need a hotel with a 4 star rating. Sentence22: There are 2 to choose from: Hotel Du Vin and Bistro, and Galleria, and there are 2 others that are similar, but serve modern european. Do any of these sound good? Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I don't need a ticket just yet. Can you tell me the total cost per ticket, though? Sentence2: I need it to go to cambridge and should depart from leicester. Sentence3: I want to find a hotel to stay at that has free wifi and is moderately priced. Can you help? Sentence4: There are 3 guesthouses that meet your needs. 2 of them have free parking along with the Internet, and one does not. Carolina Bed and Breakfast is very nice. Sentence5: Is there a particular area of town that you prefer? Sentence6: I hope to. Thanks again. Bye. Sentence7: Enjoy your trip. Sentence8: Im getting the info up now, what date and time? Sentence9: I'd like to arrive by 13:45 on sunday. Sentence10: The TR8285 arrives by 12:54. Would you like me to book this one? Sentence11: Have a nice day. Sentence12: Yes, I'd like to be on the east side. The hotel should have a 4 star rating please. Sentence13: Ok, Carolina B&B it is. Can you book me a room for 1 person staying 5 nights on Sunday please? Sentence14: Yes I also need a train. Can you help me? Sentence15: Your booking was successful and your reference number is BCT54NA8 . May I help you with anything else today? Sentence16: That will be all for the day, thank you. Sentence17: All available tickets cost 30.24 pounds each. What else can I do for you? Sentence18: Definitely. When were you wanting to travel? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: It is a hotel. Is that ok? Sentence2: Im sorry I have nothing matching that criteria can we adjust the amenities? Sentence3: the cambridge belfry's phone number is 01954714600. Sentence4: I I need a hotel located in the west with free wifi and parking. Sentence5: Yes please. I'm also looking for a hotel in the west. I need free parking and wifi available. Thanks so much. Sentence6: The Cambridge Belfry is in the cheap range but has 4 stars, would that work? Internet and parking are available. Sentence7: Do you have a train that arrives closer to 20:15. Sentence8: Yes, TR9561 arrives at 19:27. Would you like to book that train? Sentence9: I have many trains available between Cambridge and Liverpool Street. What day are you looking to travel? Sentence10: I have train TR7299 that leaves at 5:59 and arrives at 7:27. Would you like to book that? Sentence11: Would you like me to book that for you? Sentence12: You're welcome. Is there anything else that I can help you with? Sentence13: No thank you very much. Sentence14: And the Cambridge Belfry is a hotel or guesthouse? Sentence15: Have a great time. Sentence16: That is perfect. Thank you. Sentence17: No, I don't need a booking. You have given me all the information I need, for now. Thank you so much. Sentence18: Will you needing a reference number? Sentence19: Sounds great, thanks! What is their phone number? Sentence20: I am looking for a train going from cambridge to london liverpool street Sentence21: Your train was booked successfully for 7 people. Your reference number is MQRGDBZA . There are many hotels located in the west. Are you looking for something in a certain price range? Sentence22: I would like to travel on Tuesday and I would like to arrive by 20:15 please. Sentence23: A 3 star hotel in the cheap price range Sentence24: Yes, I need 7 tickets. Question: Who has spoken the sentence 18? (A) User (B) System


Output: Answer: (A) User