Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Nandos City Centre is your place. Would you like to book? Sentence2: That time is not available.Would you like a different time ? Sentence3: It should serve portuguese food in the cheap price range. Sentence4: Hi, I am looking for a place to eat in the centre of town. Sentence5: Book it for 15:30 please. Sentence6: I've found a lot of restaurants in the centre. Is there a specific type of food you're looking for? Sentence7: Yes, I need a table for two on Wednesday. Sentence8: What time on Wednesday would you like? Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System