Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Ok I have a table for three booked at 11:45 at Curry Prince. It is in the east side of town. Your reference number is L8GT5J3I . Sentence2: I have four Indian places, do you have a price range in mind? Sentence3: Ok, how about 11:45, also I would like to know the name of the restaurant. Sentence4: No, that's all I need, thank you for your help. Sentence5: Great, is there anything else I can do for you today? Sentence6: Thank you for using the Cambridge TownInfo centre, and enjoy the rest of your day! Sentence7: Hi! Do you have any Indian food on the east side? Sentence8: No, I do not, any place will do. I'd like to find a table for three at 12:45 on Monday. Sentence9: Unfortunately there are no tables available matching that, do you have another time? Sentence10: Okay that is wonderful. That is all I need. Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User