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

[Q]: Sentence1: Yes as long as its in the same area and price range. I need a reference number too then please Sentence2: I'm looking for a cheap restaurant in the west area. Sentence3: I was unable to book that, would you like me to try something else? Sentence4: Okay that is all I need for now. Sentence5: I was able to get you into Thanh Binh. Your reference number is CLIBOL1Q . Sentence6: Let's go with La Margherita. Could you book a table for 2 people at 13:30 on Saturday? Sentence7: Thank you and goodbye. Sentence8: You have your choice of La Margherita, which serves Italian food, or Thanh Binh, which offers vietnamese cuisine. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: How about Italian food instead and could I have the phone number if you find a restaurant Sentence2: There are no matching restaurants. Would you like me to perform another search? Sentence3: Prezzo is a moderately priced Italian restaurant in the west side of town. The phone number is 01799 521260. Sentence4: Thank you, goodbye. Sentence5: West side of town. Sentence6: Thank you good bye Sentence7: I want a restaurant with corsica food please. Sentence8: What is the area you would like? Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I would suggest the Museum of Archaelogy and Anthropology. It is located at University of Cambridge, Downing Street and has free admission. Sentence2: I'd like to book a taxi to take me from the museum to the hotel. If possible, I'd like to leave the museum no later than 24:45. Sentence3: You are all set, the reference number is C3JA0EZJ, any further questions today? Sentence4: May I get the postcode, phone number for that attraction? Sentence5: That sounds good please book that for 3 people starting on saturday for 5 nights. Sentence6: I going to be staying in the centre part of town, what is there to do at that area? Sentence7: No, I don't have a preference. What's a good place to go to? Sentence8: Booking completed! Booked car type : grey ford Contact number : 07511988882 Sentence9: alpha-milton guest house is a moderate priced 3 start guesthouse in the north, it does not have free internet or parking. They are located at 63 milton road. Sentence10: Great. Thank you, that will be all for now. Have a great day. Sentence11: There's a lot of popular attractions in the centre of town, including boating, cinema, museums, nightclubs, and much more. Do you have a specific preference? Sentence12: Okay. Thank you very much. Sentence13: Yes, I'd like information about the Alpha Milton guest house. Sentence14: Yes, the postcode is cb23dz. The phone number is 01223333516. Can I help you with anything else? Question: Who has spoken the sentence 7? (A) User (B) System
[A]:
Answer: (B) System