You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Example solution: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Problem: Sentence1: Thank you. I also need info on a college to visit in the town centre. Anyone will do. Whatever you recommend. Sentence2: Okay your booking was successful and you reference number is 9H9V7J2Z . Sentence3: Goodbye! Enjoy your time in Cambridge! Sentence4: Hi, I have a business meeting and I'm looking for an expensive place to eat in the city centre. Sentence5: Great thanks, what is their entrance fee and phone number? Sentence6: Thank you for all your help. Goodbye. Sentence7: Yes, please book a reservation at Fitzbillies for 4 people at 13:30 on wednesday. Oh! Can I please get the reference number? Sentence8: Can you search for British food instead? Sentence9: I'm sure Moroccan food will impress my clients. Are there any restaurants that serve it? Sentence10: their phone number is 01223338000 and the admission is 2 pounds Sentence11: Corpus christi college located at king's parade and the postcode is cb21rh. Sentence12: Unfortunately you won't be able to impress your clients. We don't have any Moroccan restaurants in town. Do you want to look for something else? Sentence13: Sure, I can help you with that. Did you have any specific requirements? Sentence14: Yes, there are several. Would you like an expensive one such as Fitzbillies to impress your clients? Question: Who has spoken the sentence 6? (A) User (B) System
Solution: Answer: (A) User