You will be given a definition of a task first, then some input 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'm looking for a guesthouse to stay at with free wifi please. Sentence2: Yes, they do. Sentence3: No thank you. Do they offer free parking? Sentence4: We have 23 locations like that. Any area preferences? Sentence5: That's fine. What is their address, please? Sentence6: That narrows it down to 10 locations. Do you have any kind of price range in mind? Sentence7: In the north area, please. Sentence8: I believe I would like Worth house. Sentence9: That is it, thanks. Sentence10: Yes, it is cb41da. Sentence11: Thank you & have a good day Sentence12: Wonderful. I just need their postcode then please. Sentence13: No, I don't care about price, but I do need to have free parking. Sentence14: Worth House is located at 152 Chesterton Road. Would you like to make a reservation? Question: Who has spoken the sentence 7? (A) User (B) System
Output:
Answer: (B) System