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: its been a pleasure to serve you. Sentence2: I have that reservation made for you the reference number is 2U1NU0BI . Sentence3: There are a lot of trains running then. Did you have a particular station you were going to or leaving from? Sentence4: That would be great can you get me 4 tickets for that? Sentence5: I would also need a place to stay in a guesthouse with free parking Sentence6: I need a train leaving on monday after 18:45. Sentence7: Can you book it for the same people for 5 nights starting on the same day Sentence8: Is it cheap? And do they offer free parking? Sentence9: The Allenbell is an affordable guesthouse in the area. How does that sound? Sentence10: Yes, I need to travel from Kings Lynn to Cambridge. Sentence11: Thank you. That is all for now. Sentence12: I have train TR1978 that departs at 19:11 and arrives by 19:58. Do you think that would be a good fit for you? Sentence13: That has been booked. Your reference number is SGEZXO5V . Sentence14: They have free parking and internet. Is there anything else you would like to know? Question: Who has spoken the sentence 7? (A) User (B) System
Solution: Answer: (B) System