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: Well, I guess I forgot to specify that I need something on the south end of town. Sentence2: Are there any attractions at all on the south side of the city? Sentence3: That's all. Thanks for the info! Sentence4: I'm sorry, but there is nothing on the south side of town. Would you like to change the area? Sentence5: Sounds interesting. Can I get the entrance fee and postcode info? Sentence6: I am trying to get some suggestions on where I can take my wife for our anniversary. We want to try to find something fun to do. Sentence7: How about whipple museum of the history of science? Sentence8: Thank you.Good bye. Sentence9: I'm sorry, yes, Nusha is an entertainment venue that I think you will enjoy. Postcode for that is cb17dy, but there is no entrance fee listed. Sentence10: It is a free attraction, and the postcode is cb23rh. Is there anything else? Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System