Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
See one example below:
Problem: 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: 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

Problem: Sentence1: It has been booked and your Reference number is: B02EELPU . Is there anything else I can do for you? Sentence2: I need a train for Saturday at 13:00 and I will be traveling from Cambridge to London kings cross. Please book it for 7 people. Sentence3: It leaves right at 13:00. If you'd like to leave later, the next train departs at 15:00 Sentence4: Yes, my apologies, but can you confirm that the TR4003 train leaves after 13:00? Sentence5: No, that is all. Thank you for the help. Sentence6: Okay, thank you for calling the Cambridge TownInfo centre. Have a great day. Sentence7: You are all booked for the TR4003 train. Price is 132.16 GBP. Reference number B02EELPU . Is there anything else i can help you with? Sentence8: The 13:00 train is perfect. Please book 7 tickets. Thanks. Question: Who has spoken the sentence 1? (A) User (B) System
Solution:
Answer: (B) System