Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: I'm looking for a cheap restaurant in the east part of town. Sentence2: No, thank you, I have everything I need. Thank you and goodbye! Sentence3: Goodbye. Sentence4: the missing sock is a nice restaurant in the east part of town in the cheap price range Sentence5: What is the address and phone number? Sentence6: The address of The Missing Sock is Finders Corner Newmarket Road and the phone number is 01223 812660. May I help you with anything else today? Sentence7: Goodbye. Sentence8: Thank you for using our system. Good bye Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System