Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I also want to dine at a moderate restaurant in the center area. Sentence2: Certainly, do you have an area, pricerange, or food type? Sentence3: What price range are you looking for? Sentence4: Okay, I've made the reservation for 1 at the varsity restaurant on tuesday at 11:30. The reference number is AXLJBTF7 Sentence5: I need it for 1 on 11:30 Tuesday. Sentence6: The Primavera is located in the centre area. I'll be happy to find a restaurant in that area for you. What type of food would you like? Sentence7: I would like something in the moderate price range. Sentence8: Your are all set, look for a grey volkswagon, if there are issues, the driver can be reached at 07015859463, can I assist with anything else? Sentence9: Can you help me find some local restaurants to dine in during my visit to Cambridge? Sentence10: I also want a taxi to go between those two places. Sentence11: welcome and thanks for using our services Sentence12: Something near the attraction primavera would be nice. Where is that located? Sentence13: I would suggest the varsity restaurant. Sentence14: The Primavera can be reached at 01223357708 Sentence15: Ok great and what times do you prefer? Sentence16: That is all thanks. Sentence17: What is the phone number for The Primavera? Sentence18: I don't care about the departure time, I just need to be at the restaurant by the booked time. Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System