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

[EX Q]: Sentence1: Thanks. You too! Goodbye. Sentence2: Get back in touch if you need help in the future. Goodbye. Sentence3: I need information on trinity college Sentence4: You're welcome! Have a great day. Sentence5: Okay, I've pulled up Trinity College. What information do you need? Sentence6: No, that is all I need today. Thank you very much! Sentence7: Ok. Trinity college is a college and the address is trinity street. Anything else? Sentence8: I need to know the attraction type and address. Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Thank you. May I have a street address for the police station? Sentence2: welcome. at your service next time Sentence3: Thank you goodbye Sentence4: Certainly. Their address is Parkside, Cambridge. Can I assist you further? Sentence5: I want to know where I would find the Parkside Police Station. Could you tell me? Sentence6: Their postcode is CB11JG, you can reach them at phone number 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Eraina in the west part of town serves expensive european food. Sentence2: Hello, I am looking for an expensive restaurant that serves european food. Sentence3: Great! Can I have their address and phone number? Sentence4: You're welcome. Sentence5: Thank you goodbye. Sentence6: Eraina is located at Free School Lane City Centre, and their phone number is 01223 368786 Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]:
Answer: (B) System