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: Sure thing you're all set. Your reference number is 8P12NA4L . Can I help you with anything else today? Sentence2: I would like to book a table at this restaurant for 5 people at 15:00 on monday. Sentence3: I'm looking for a particular restaurant called michaelhouse cafe. Sentence4: Absolutely. Enjoy your trip! Sentence5: Yes, I am also looking for a hotel. I think it is called the Cambridge belfry. Sentence6: The cambridge belfry is a cheap hotel in the west area. Do you want to book any rooms? Sentence7: Michaelhouse Cafe is an expensive restaurant in the center of town. It serves european food and is located at St. Michael's Church Trinity Street City Centre. Sentence8: The postcode is cb236bw and star rating is 4. I can only tell you that it is in the cheap price range. Sentence9: First can you give me the postcode, star rating, and a more specific price range? Sentence10: Well thank you very much. I think that's all I need for now! Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System