Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: i would like to book a table for 7 at 11:15 on monday. Sentence2: I am looking for a restaurant named Hakka. Can you tell me how to get there? Sentence3: Your booking was successful. The table will be reserved for 15 minutes. Reference number QMH1W33E . Can I be of further help to you? Sentence4: Hakka is located on the north side of town on Milton Road Chesterton in post code CB41JY. Do you also want their phone number? Sentence5: Thank you for contacting Cambridge TownInfo centre. Have a good day! Sentence6: No, you have helped me greatly. That is all I need today. Bye. Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User