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: Yes for 6. and I'll need the reference number. Sentence2: That seems to be everything. Thank you for your help. Sentence3: There are 11 british restaurants to choose from. Is there a particular area you're interested in? Sentence4: I am headed to Stevenage. I cannot get on the train until 14:45. Sentence5: I want a train that leaves from Cambridge on Monday. Sentence6: Thanks. Can you look for a restaurant that serves british food. It sounds good. Sentence7: You are booked and your reference number is 4AEEDA4Z . May I help you wirh anything else today? Sentence8: I can do that but just need a date and time in order to book. When would you like to go? Sentence9: There are 5 options available. Is there a time that you would like to arrive by? Sentence10: Perfect. Have a great day. Goodbye. Sentence11: There are quite a few options available to you. Is there a specific destination you are looking for? Sentence12: Monday at 11:45 please. Sentence13: I would recommend The Copper Kettle located in the city centre. I can book that for you now if you'd like Sentence14: Yes, please. That would help me a lot. I would need to book a table at the one you recommend. Sentence15: I was able to book TR2045, reference number is 7OWLTI02 . Sentence16: No, the first train leaving after 14:45 would be fine. I want to book tickets for 8 people. Sentence17: We have 5 places listed that would meet your needs. Would you like me to recommend one for you? Sentence18: No certain area, but I'd like one in a moderate price range please. Question: Who has spoken the sentence 13? (A) User (B) System
Solution: Answer: (B) System