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: Yes, there are three, What is your price range? Sentence2: Its been my pleasure. If there's anything else I can help you with, please let me know otherwise have a great day. Sentence3: I want something expensive. Sentence4: I have made those reservations your reference number is J9NGMKIA . Sentence5: I'm looking for a chinese restaurant in the south part of town. Sentence6: Let's book Peking for 1 person on Friday at 15:15. Sentence7: There are two restaurants that match your criteria. Peking Restaurant is one of them. Sentence8: Thanks so much for your help. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System