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: Thank you.That's all I need for now. Sentence2: Thank you for using Cambridge TownInfo centre. Have a nice day! Sentence3: I need to go to Birmingham New Street. Sentence4: I will be leaving from Cambridge. Sentence5: I found more than 1,000 trains. Do you have a destination in mind? Sentence6: I need a train going to birmingham new street leaving on monday. The train is going to cambridge leaving after 18:30. Sentence7: Thanks. And what day will you be traveling, please? Sentence8: Ok I can assist you with that. Where will you be departing from? Sentence9: I'm looking for a train please. Sentence10: Booking was successful, the total fee is 75.09 GBP payable at the station. Reference number is : BP0P7TU6 . Sentence11: Yes. Thank you. Sentence12: these is the schedule for that day Sentence13: Is it one ticket you need or more? Sentence14: Monday is the day I plan to travel Sentence15: TR3283 leaves Cambridge at 19:01 and arrives at birmingham new street at 21:44. Do you want a booking? Sentence16: Just one ticket please. Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System