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: I'm looking for a moderately priced restaurant in the north part of town Sentence2: I don't care. Sentence3: golden wok is located at 191 histon road chesterton and its phone number is 01223350688. Is there anything else I can help you with? Sentence4: No. that's all I want. thank you Sentence5: You're welcome. Thank you for calling us today. Goodbye. Sentence6: and also postcode please? Sentence7: Their postcode is C.B 2, 1 U.J. Sentence8: There are two restaurants; chinese and indian that are moderately priced. Do you have any preferences? Sentence9: Okay, how about the Golden Wok? They serve Chinese food in the north part of town and are moderately priced. Sentence10: That will be good. Could you give me their address? Question: Who has spoken the sentence 1? (A) User (B) System
Answer:
Answer: (B) System