You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: prezzo is located at 21-24 northampton road. Do you want the phone number? Sentence2: No, thank you. That is all I wanted to know. Good bye. Sentence3: Do you have a preference on the type of food? Sentence4: I don't have a preference. Sentence5: Thank you for using the system. Good bye. Sentence6: I am looking for a restaurant in the west part of town and is in the moderate price range. Sentence7: Prezzo is an italian restaurant in the area of west in the moderate price range. Sentence8: What is the address? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System