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: Is there a similar restaurant in the area at that price range? Sentence2: Please book a table for 6 people at 11:45 on tuesday. Sentence3: I am sorry but the restaurant is fully booked. Do you want to try another restaurant? Sentence4: Sure! Their address is 2G cambridge leisure park cherry hinton road, and their phone number is 01223400170 Sentence5: I am looking for the chiquito restaurant bar can you help me find it? Sentence6: I'm sorry that's the only restaurant in that price range Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System