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

Example Input: Sentence1: Yes, could you tell me their postcode? Sentence2: How much is that cinema's entry fee? Sentence3: I'm afraid that the entry fee for Cineworld Cinema is unknown. Is there anything else I can help you with? Sentence4: I need a taxi from the cinema to the hotel, I want to leave the cinema by 08:15. Sentence5: Yes, I'm also looking for a place to stay. I'll need it to be moderately priced, in the same area as the attraction, and free parking, please? Sentence6: Do they have a room available for 7 people? We're staying 3 nights and checking in Tuesday. Sentence7: That is everything that I need? Sentence8: Thanks, have a great day! Sentence9: The postcode is cb17dy. Is there anything else I can assist you with today? Sentence10: Thank you for using our service today. Sentence11: Have a wonderful time. Sentence12: Booking was successful. Reference number is : Z108ABS3 . Can I help you with anything else ? Sentence13: I'm looking for for a cinema in the south. Can you give me some information on cinema's in the south? Sentence14: there is only one, it's called cineworld cinema Sentence15: bridge guest house is a 4 star guesthouse in the south part of town in the moderate price range with free wifi and parking. Sentence16: Booked you a taxi ride look for a red tesla car contact number is 07746939508. Can I help with anything else? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: There is a restaurant called Thanh Binh. Would you like me to book a table? Sentence2: Yes i would like a table for 7 people on monday at 13:15 Sentence3: We would prefer vietnamese please. In the west area? Sentence4: How many tickets would you like me to book? Sentence5: The travel time is 49 minutes. Would you like to know any more info? Sentence6: Thank you, what is the arrival time? Sentence7: Your reservation has been set for Monday at 12:15 for 7 people. The reference number is 3MTLQCBA . Can I do anything else for you? Sentence8: I am leaving from Cambridge and headed to Stevenage. I would like to leave after 17:30 please. Sentence9: Just one ticket, please. Sentence10: Certainly. The train will arrive at 20:10. Can I help you with anything else? Sentence11: Can you tell me when that train will be arriving in stevenage? Sentence12: Alright, TR6692 looks like your best bet. Would you like me to book you passage? Sentence13: Thank you I also need a train on tuesday leaving after 17:30 Sentence14: I think that about does it. Thanks for the help today. Sentence15: I need to find a cheap place to eat. Sentence16: Booking was unsuccessful do you have any other preference? Sentence17: Can you try 12:15 on Monday? Sentence18: I've booked that ticket for you. The reference number is FTLHURXQ, and the total fee is 12.8 GBP. Sentence19: It was my pleasure to assist you. Thanks for using our service. Have a wonderful day. Goodbye. Sentence20: Yes. Please book that for me. Thanks so much! Sentence21: I can find that for you. What cuisine are you interested in? Sentence22: I would be happy to help with that. Can you tell me the departure city and where you are going? Question: Who has spoken the sentence 11? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thank you. That's all I needed. Sentence2: What is the postcode? Sentence3: I have confirmed booking for 2, the total fee is 20.48 GBP payable at the station. Your reference number is MRVAFSWE . Would you like help finding anything else? Sentence4: I also need to find an attraction called kings hedges learner pool. Sentence5: That is all, thank you very much for the help! Sentence6: The Parkside Police Station phone number is 01223358966 located Parkside, Cambridge CB11JG Sentence7: I need to take a train out of Cambridge on Sunday. Sentence8: I would like to go to Stevenage after 08:00 please. Sentence9: TR6488 leaves at 09:21 and gets to Stevenage by 10:10. Will that train work for you? Sentence10: kings hedges leaner pool is located at jedburgh court, kings hedges. their phone number is 122 335 3248. Sentence11: Okay. I am glad I could be of assistance. Sentence12: Can I make a reservation for 2 people and get a confirmation number? Sentence13: Okay. What's your destination? Sentence14: The swimming pool's postcode is cb42xh. Do you need any more information? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User