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: Sure , their number is 07328080907. What else can I help you with today? Sentence2: The Gardenia is a cheap Mediterranean restaurant. Would you like me to make reservations there for you? Sentence3: No problem, enjoy the rest of your day. Sentence4: I'm looking for something cheap, I'm on a budget. Sentence5: There are 13 colleges in the centre. Gonville and Caius college is fascinating and it is free. Does this appeal to you? Sentence6: I can help you with that. What time do you want to leave the college and arrive at the gardenia? Sentence7: I need to find a place to visit while in town. What attractions are in Centre? Sentence8: Thanks. Can I get the taxi company's contact phone number please? Sentence9: There are a lot! We have some impressive architecture, historic colleges, theatres, and more. What sort of thing appeals to you? Sentence10: You got it! The Gardenia is located at 2 Rose Crescent City Centre, cb23ll. The phone number is 01223356354. What else can I do for you? Sentence11: That's all I needed. Thank you. Sentence12: I want to leave at least by 14:45 if that is okay. Sentence13: Is it free? I also am looking for a Mediterranean restaurant in the same area. Sentence14: Yes the college entrance is free. I also found 3 restaurants with mediterranean cuisine in the same area. two are in the centre. can you give a price range? Sentence15: Sounds good. Can I get the address with the postcode for that one, please? Sentence16: I'd like to see a college, please. Sentence17: That is fine, I've got you booked with a white Tesla. Sentence18: Yes, the college is located on trinity street, postcode cb21ta. Is there anything else I can help you with today? Sentence19: I also need to book a taxi from the College to the restaurant. Sentence20: No I will take care of that. Please provide the phone number, address, and postcode for the restaurant Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System