Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: I would like a restaurant in the centre and in the moderate price range. Sentence2: Alright, thank you. Goodbye! Sentence3: Thanks. That's all I need! Sentence4: Let's try the Brasserie. Sentence5: Sure I have at least two choices for you. One is the De Luca Cucina and Bar and the other is the Riverside Brasserie. Both are located in the center. Would either of them interest you? Sentence6: No, the restaurant should serve modern european food. Sentence7: You're all set your reference number is IVGZLYTZ Sentence8: Just 1 person at 13:15 on thursday Sentence9: If you'd like a reservation I will need to know what day and time you'd like your reservation and how many will be in your party. Sentence10: The Yippee Noodle Bar is a moderate priced Asian Oriental restaurant. Does that sound good? Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System