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: I have many options. what area would you like to be in ? Sentence2: I found 44 things. what about all saints church? Sentence3: There are 2 hotels in the west and one in the centre. the one in the centre is cheap and the other two are expensive. Sentence4: I really have to go now. I'm going to be late for work. Thanks for the help. Goodbye. Sentence5: I have the Allenbell, East area, cheap price and a guesthouse. Shall I book that? Sentence6: What type of attractions are in the centre? Sentence7: Well I would like a 4-star place with free wifi, if possible. Sentence8: that is all for now thatk you. Sentence9: Most of the accommodations in Cambridge are guesthouses, so I'm sure we can find something for you. Do you have a certain area or price range in mind? Sentence10: It doesn't matter what area. I'll need free wifi. I need to book for 5 people for 2 nights starting Monday. I'll need the reference number please. Sentence11: I have found 18 guesthouses that would work. Perhaps we can narrow this down. What part of town would you like to stay in? Sentence12: Can we make that a hotel instead? Sentence13: Yes go ahead and book it for 5 people and two nights starting this Monday. Sentence14: Not really. What's your recommendation? Sentence15: That sounds cool! Can I get their address, postcode, and entrance fee? Sentence16: Okay, thanks! Are they both 4-star? Sentence17: I'd also like to find a guesthouse to stay in. Sentence18: Booking was successful. Reference number is : BD7V5LON . Sentence19: enjoy your stay Sentence20: They are all 4 star. Do you have a price preference? Sentence21: thank you again Sentence22: you are welcome Sentence23: The address is jesus lane, the post code is cb58bs, and it's free to enter. Is there anything else? Sentence24: thanks for using our services Sentence25: I'm sorry, I haven't been clear. I am looking for a guesthouse, not a hotel. Is there a 4-star guesthouse with free wifi? Sentence26: How about price. Is there a certain range you want to stay in? Question: Who has spoken the sentence 6? (A) User (B) System
Solution:
Answer: (A) User