Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: What type of food would you like and what price range ? Sentence2: i will find you one thanks a lot its a pleasure to serve you Sentence3: Sorry. I don't have the hours of operation or whether there is an entrance fee. Would you like the phone number so you can call to get the information yourself? Sentence4: I wanted to visit the Tenpin, could you tell me the hours it is open, and if there is an admission cost? Sentence5: Great. Thank you. I also need a place to dine. Sentence6: Sure, it is in the south part of town. The address is Cambridge Leisure Park, Clifton Way. Sentence7: That's OK, could you tell me what part of town it's located in? Sentence8: I am looking for Scottish food. I would like it to be nice so it can be expensive, but it needs to be in the east side of town. Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User