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

[Q]: Sentence1: You're welcome. Goodbye! Sentence2: Sure! Can you book a table for 8 people at 17:30 on Friday? Sentence3: Thank you. That's all I need right now. Bye. Sentence4: No. Choose one for me. Sentence5: There are a total of 14 different expensive Indian restaurants located throughout the city. Is there a particular area of town you would like to eat in? Sentence6: I'd like you to tell me about great Indian restaurants in the area. It's okay if they are expensive. Sentence7: Curry garden has good reviews, would you like to book there? Sentence8: Sure. Your reference number is QLMRQ3H2 . Anything else? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: They are quite expensive . Sentence2: I want a restaurant in the south part of town and serves panasian food. Sentence3: Sorry what type of food do they serve? Sentence4: Thank you, goodbye! Sentence5: Sorry, there are no restaurants in the south part of town serving panasian food. Sentence6: They serve italian food. Sentence7: Frankie and Bennys serves Italian food in the south part of town. The phone number is 01223 412430, and the postcode is C.B 1, 7 D.Y. Sentence8: Thank you for your help. Good bye. Sentence9: italian food please. phone number and postcode please. Sentence10: what is the price range ? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: What type of food would you like and what price range ? Sentence2: i will find you one thanks a lot its a pleasure to serve you Sentence3: Sorry. I don't have the hours of operation or whether there is an entrance fee. Would you like the phone number so you can call to get the information yourself? Sentence4: I wanted to visit the Tenpin, could you tell me the hours it is open, and if there is an admission cost? Sentence5: Great. Thank you. I also need a place to dine. Sentence6: Sure, it is in the south part of town. The address is Cambridge Leisure Park, Clifton Way. Sentence7: That's OK, could you tell me what part of town it's located in? Sentence8: I am looking for Scottish food. I would like it to be nice so it can be expensive, but it needs to be in the east side of town. Question: Who has spoken the sentence 4? (A) User (B) System
[A]:
Answer: (A) User