Teacher: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? If you are still confused, see the following 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: Answer: (A) User
Reason: 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 instance: Sentence1: TR2854 leaves at 12:21 would that work for you? Sentence2: Do you have any trains to leicester for Wednesday? Sentence3: I'd recommend milton country park on milton country park, milton, cb46az. Their phone number is 01223420060. Will that be all? Sentence4: Perfect. I'll need 8 tickets. Sentence5: Yes, I think that's all I needed. Have a good day. Goodbye. Sentence6: No, any you recommend will be fine. I'll just need a phone number, postcode and address, please? Sentence7: I have 5 different parks in town. Did you have a certain area of town you prefer? Sentence8: Yes, there are 19 trains running to Leicester on Wednesday, the first at 5:21 and then every hour thereafter. Would you like more specific information, or to book some tickets? Sentence9: I will be departing from Cambridge after 12:15.. Sentence10: Booking was successful, the total fee is 302.39 GBP payable at the station . Reference number is : J3I2TFTK . Sentence11: Thank you for using our service today! Sentence12: Are there any nice parks in town? Question: Who has spoken the sentence 9? (A) User (B) System
Student:
Answer: (B) System