You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Let me give you an example: 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
The answer to this example can be: Answer: (A) User
Here is 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

OK. solve this:
Sentence1: Yes they do. Sentence2: The hotel is four stars. Sentence3: Sure, its located on 172 chesterton road and the number is 01223306283 Sentence4: I would like to find a very expensive indian restaurant, can you help me? Sentence5: Curry garden is located in the centre at 106 Regent Street City Centre. It's phone number is 01223302330 and the postcode is cb21dp. Sentence6: What is the star of the hotel? Sentence7: Certainly! Cambridge boasts 14 such establishments. Would you prefer a specific area of town? Sentence8: Thanks, I also need the location of kirkwood house. Sentence9: Do they have free parking? Sentence10: No I need to find an indian restaurant, anywhere in cambridge that is expensive please. I need the area located, address and postcode please. Question: Who has spoken the sentence 7? (A) User (B) System
Answer:
Answer: (B) System