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: Great, I also need a taxi from the attraction to the restaurant and want to arrive by the reservation time. Sentence2: Thank you. That will be all. Sentence3: yes book for 3 people at 19:30 on friday please Sentence4: I am looking for a place to go in the centre of town. I'm really interested in a theatre. Sentence5: I am also looking for a restaurant in the same area as Mumford Theatre. Sentence6: Yes, their phone number is 08451962320. May I help you find anything else today? Sentence7: There are 4 theatres in the centre I recommend Mumford Theatre. Would you like the address? Sentence8: Ok! Have a great day! Sentence9: The varsity restaurant comes highly recommended and serves international food. Would you like me to book it? Sentence10: do you have any in mind? It really doesn't matter, as long as its moderately priced and in the same general area as the mumford. Sentence11: I have booked your taxi. Be expecting a yellow Volvo. Please contact 07732601077 should you need to reach them. Sentence12: Could I get their phone number? Sentence13: What type of cuisine and price point do you prefer? Sentence14: Your reference number is UZNF1KZ5 and your table will be held for 15 minutes. Is there anything else in which I can help you? Question: Who has spoken the sentence 12? (A) User (B) System
Solution:
Answer: (A) User