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

Example input: 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 output: 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
Q: Sentence1: No thank you. Have a great day! Sentence2: I have about 5 restaurants in that area. What kind of food would you like them to serve? Sentence3: Surprise me, I just need the booking for 8 people Monday at 18:00. Please provide me with a reference number for this booking. Sentence4: You are very welcome. Would you like the address for the restaurant? Sentence5: I can make a reservation at Saigon City for 8 people on Monday evening. The reference number is ECKX7YSF . Is there anything else I can do for you? Sentence6: I am looking to eat at a north restaurant in the expensive price range. Sentence7: You have a great day as well! Sentence8: Thank you so much! That's all I needed. Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System