You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

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
Solution: Answer: (A) User
Why? The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input: Sentence1: Yes, that would be great. We will be dining on Saturday at 11:00. It will be 6 people. Sentence2: Okay how about the stazione restaurant and coffee bar? It is in the expensive price range. Would you like me to make a reservation for you? Sentence3: Yeah, are there any restaurants serving Italian food near the college? Sentence4: Thank you for your help. Sentence5: I was told about a beautiful college called saint catharine's. Could I get some information on it? Sentence6: Yes, there are 9! What price range would you like? Sentence7: I'm splurging, let's go with an expensive one! Sentence8: I've made those reservations and your reference number is 8FMZ4VCE . Sentence9: Yes, I'd like to know the postcode, please? Sentence10: It is in the Centre part of town at King's Parade, and entrance is free. Can I help you with anything else? Sentence11: The postcode is cb21rl. Is there anything else I can help you with? Sentence12: You are welcome. Question: Who has spoken the sentence 10? (A) User (B) System
Solution:
Answer: (A) User