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

Example Input: Sentence1: kohinoor. i want to book a table for 2 people at 16:45 on Thursday Sentence2: Nope, I'm all finished for today. Thanks so much, goodbye now! Sentence3: Sure. Booking was successful. The table will be reserved for 15 minutes. Reference number is : X9AVZ8EI . Can I help with anything else today? Sentence4: Absolutely. What is the name of the restaraunt you are interested in? Sentence5: You are very welcome, bye! Sentence6: I need to find some information in a particular restaurant. Are you able to look up a specific place? Sentence7: I also need a Thursday train. Sentence8: Depart from Ely and would like to arrive by 13:00 in Cambridge. I need to book it for 2 people I also need a reference number. Thanks Sentence9: What location will you depart from and where are you headed? Sentence10: Sure thing, it's booked and your reference number is PWSVK4XQ . Do you need more help? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: We have three places that serve international cuisine that you should like. Do you prefer East or Centre? Sentence2: Yes, that would be great. Can you book a table for 4 people at 11:30 on Sunday? Thanks Sentence3: Can you help me find a corsica restaurant? Sentence4: I also need a train that will arrive by 18:15. Sentence5: TR7786 can have you there by 17:51. It costs 23.60 pounds. Sentence6: Sure, which stations are you traveling between? Sentence7: Then can you find me one that serves international food? Sentence8: The Centre is fine. I need a table for brunch on Sunday. Sentence9: I was able to book your party of 4 into Bloomsbury Restaurant on Sunday at 11:30 , Reference: 4ni28yk5 . Can I assist you further today? Sentence10: There is no restaurant serving corsica food in the town. What is another type of food you would like me to search for? Sentence11: What is the travel time? Sentence12: Goodbye, enjoy the rest of your day! Sentence13: The trip takes 51 minutes. Would you like me to book that train for you? Sentence14: I recommend the Bloomsbury Restaurant. It's located at Crowne Plaza Hotel, 20 Downing Street. It's a moderately priced restaurant. Can I book this for you? Sentence15: not now. that is all i needed. have a good day Sentence16: I'll be leaving Cambridge on Monday and I'd like to arrive to London Kings Cross by 18:15. Is there anything available? What time will it leave? Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: There is a train every hour from Birmingham New Street to Cambridge starting at 5:40. It costs 75.10 pounds and is 163 minutes. Sentence2: You're welcome. You, too. Sentence3: Please give me a call if you need any assistance during your visit Sentence4: No, I just need the postcode and address as well as a phone number. Sentence5: OK, I have a few options, what side of town would you like that on? Sentence6: I also need a restaurant in the expensive price range and should serve european food Sentence7: Thank you for contacting us. Have a good day. Sentence8: Could you make that on the north side please. Sentence9: On Monday the TR3734 arrives by 15:23. Would you like to book some tickets for that? Or perhaps an earlier train if you think that's cutting it too fine. Sentence10: I think that would be too late. I also need it on Monday, not right now. Sentence11: I am looking for a train leaving from Birmingham New Street and arriving by 16:00. Sentence12: There is one expensive European restaurant in the north - City Stop Restaurant. Would you like to reserve a table there? Sentence13: The address is Cambridge City Football Club Milton Road Chesterton. The postcode is cb41uy. The phone number is 01223363270. Is there anything else I can do for you? Sentence14: Booking was successful. The total fee is 300.39 GBP payable at the station. The reference number is GXTXW2EM . Is there anything else I can help with? Sentence15: I think that would be good, can you get me 4 tickets? Sentence16: No that is everything I need for my trip. Thank you! Question: Who has spoken the sentence 9? (A) User (B) System
Example Output:
Answer: (B) System