You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Example solution: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Problem: Sentence1: There are four expensive Chinese restaurants in the centre of town. Would Ugly Duckling suit you? Sentence2: No that's all, thank you! Sentence3: Yes, I'd like the address please. Sentence4: Yes, I know it would work, I am the one you asked, lol. Can you just give me the address and phone number though? Sentence5: You're welcome, have a great day. Sentence6: Their address is unit su43, grande arcade, saint andrews street and their postcode is cb23bj. Sentence7: I need something in the Center of town. Sentence8: Thanks, I am also looking for somewhere to go in the centre area. Sentence9: Their address is 12 St. Johns Street City Centre. Unfortunately their phone number is not available. Sentence10: Yes Ugly Duckling would work. Would you please reserve it for me and send me the reference number? Thank you. Sentence11: Yu garden is in the expensive price range in the east part of town. Sentence12: Castle Galleries is a museum in the centre and it's free. Would you like the address or another option? Sentence13: I am looking for an upscale Chinese food restaurant in Cambridge; can you make a recommendation? Sentence14: That sounds fine. Can you give me the address and phone number? Question: Who has spoken the sentence 13? (A) User (B) System
Solution: Answer: (B) System