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

[Q]: Sentence1: It's cb12bd. Anything else I can get you? Sentence2: How about something in the south and moderate price range? Sentence3: I'll take Rice House, what's the postcode? Sentence4: There are 3 cheap chinese restaurants in the centre of town: Charlie Chan, Rice House, or Golden House. Would you like me to book any of these? Sentence5: Sure let's try chinese food. Sentence6: I was not able to find any restaurants matching your requirements. Sentence7: I'm still not finding anything. Would you like me to search a different part of town or a different food type? Sentence8: You're welcome. Have a great day! Sentence9: That's all. Thank you. Sentence10: I am looking for a cheap gastropub restaurant in the centre of town Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: No thank you. I have everything I need. Sentence2: The earliest train leaving after 11:45 is at 12:09 on friday. Would you like me to book this for you? Sentence3: I need 1 ticket for departure on Thursday. Sentence4: i need a train going to leicester that leaves after 11:45 Sentence5: That is fine. Can I have the train ID once it's booked? Sentence6: Of course, what day will you be traveling, and how many people will be in your party? Sentence7: I was successfully able to book you a reservation for 7. The reference number is R2RPLBI3 . Can I help you with anything else? Sentence8: There is one restaurant called bedouin, but unfortunately it does not have any open reservations for matching your specifications. Could you provide another day or time? Sentence9: Yes I want to reserve a table for 7 people at 15:00 on Thursday at an expensive African restaurant. Can you help me with this? Sentence10: Could you get a reservation at a difference expensive African restaurant? Sentence11: There are no tables available at Bedouin at that time. Would you like to try a different time slot or perhaps a different day? Sentence12: I will be departing leicester going to cambridge, sorry for the confusion. I need to leave after 11:45 also. Sentence13: Sure. If there are no other African eateries to choose from, try the 14:00 at the Bedouin. Sentence14: Sure, are you going to leicester, or to cambridge? What is your departure site please? Sentence15: Great. I have booked you one seat on the 12:09 train from Leicester and your reference number is 7UR3BFW6 . Is there anything else I can do for you? Sentence16: You are welcome. Good bye. Question: Who has spoken the sentence 15? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Glad to know that there is no entrance fee, I go with whatever you recommend. Ill need the phone number and postal code of whatever place you pick. Sentence2: Have a great day Sentence3: Yes, can I get the entrance fee? Sentence4: Yes, I'm looking for some sports activities in the same area. Are there any places like that nearby? Sentence5: I want it to be in the moderate price range. Sentence6: The phone number is 01223324033, do you need any more help? Sentence7: Personally, I love the Museum of Archaeology and Anthropology. The phone number is 01223333516 and the postcode is cb23dz. Is there anything else I can help you with today? Sentence8: I'm sorry, there are no sports activities in the centre. Would you like to try another area? Sentence9: The two Italian restaurants in the area are Pizza Express on Regent Street and Pizza Express Fen Ditton. Would you like to reserve a table? Sentence10: There are several. Are interested in art, archaeology or the history of science? All are free, by the way. Sentence11: I'm looking for an italian restaurant in the centre. What is available? Sentence12: Can you give me the phone number of the one on Regent Street? Sentence13: No, can you tell me if there are any museums in the same area? Sentence14: I have a couple I can recommend for you, is there a certain price range you would like to stay in? Sentence15: It is free admittance. Sentence16: Great, thanks! That's all I need today. Question: Who has spoken the sentence 8? (A) User (B) System
[A]:
Answer: (A) User