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: sorry what is the area again? Sentence2: I want one in the moderate priced range. What is the price range of Chiquito restaurant? Sentence3: Have a nice day. Sentence4: I need the address and phone number of a restaurant in the south part of town. Sentence5: There are nine restaurants in the south part of town. What kind of food would you like? Sentence6: What is the address for Pizza Hut Cherry Hinton? Sentence7: I'm afraid Chiquito restaurant bar is expensive. Pizza Hut Cherry Hinton is a moderately priced Italian restaurant in the south. Sentence8: I don't care. Sentence9: Thank you, goodbye Sentence10: Can you tell me what kind of food they serve? Sentence11: it is located in the south part of town Sentence12: Chiquito restaurant bar is in the south part of town. It's address is 2G Cambridge Leisure Park Cherry Hinton Road Cherry Hinton, and it's phone number is 01223 400170. Sentence13: Their address is G4 Cambridge Leisure Park Clifton Way Cherry Hinton. Sentence14: Chiquito restaurant bar serves Mexican food. Question: Who has spoken the sentence 5? (A) User (B) System
Solution: Answer: (B) System