Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I'd prefer the Italian one. Sentence2: I have a Vietnamese and an Italian restaurant matching your requirements. Would you be interested in either? Sentence3: Can I get the postcode for it? Sentence4: Absolutely! The postcode for La Margherita is cb30af. Would you like me to make a reservation for you? Sentence5: Yes, please. Thank you very much. Sentence6: Great! What day and time would you like the reservation for? Sentence7: I do not want to just yet, thanks. Sentence8: I need to find a restaurant in the west part of town. It should be in the cheap price range. Sentence9: I have La Margherita that is a cheaper italian restaurant. It's located at 15 Magdalene Street City Centre. Did you need any help booking a table? Sentence10: Okay, we'll book that for you whenever you're ready. Thank you and goodbye! Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System