You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
One 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
Solution is here: Answer: (A) User
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

Now, solve this: Sentence1: the TR4226 arrives at 14:07, would you like me to book 5 tickets for you? Sentence2: Yes, just the entrance fee, postcode and phone number. Sentence3: Please find a concerthall in the west for me. Sentence4: Thanks and have a great day. Goodbye. Sentence5: Yes, please. May I get the reference number? Sentence6: Maybe I confused you. Sorry. I need to leave Bishops Stortford on Wednesday, and arrive in Cambridge by 15:15. Sentence7: There are ten different trains to choose from. Do you have a specific time in mind? Sentence8: What other days are there? Sentence9: I need to arrive by 15:15 and will need to book for 5 people. Sentence10: There are many options. Where would you like to depart from? Sentence11: That's ok. I'll call for it. Thanks again. Bye for now. Sentence12: Unfortunately no train matches you request. Would you like a different day and time? Sentence13: I want to depart from Bishops Stortford. Sentence14: Sorry, I don't see any days for your search. Sentence15: The only concerthall in Cambridge is The Man on the Moon, located in the centre. Would you like more information? Sentence16: Their phone number is 01223474144 and postcode is cb12lf. Unfortunately there is no info on the entrance fee. Sentence17: Your train has been booked. The total fee is 50.5 GBP payable at the station. Your reference number is OWNJ1GL8 . Can I be of further assistance? Sentence18: Hey trying to locate a train that would leave on Wednesday and arrive in Cambridge. Question: Who has spoken the sentence 6? (A) User (B) System
Solution:
Answer: (A) User