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: One more thing. Can I have the train ID, please? Sentence2: Preferably the east. Sentence3: Thank you very much for the help. Sentence4: Could you tell me what time that train arrives in Cambridge please? Sentence5: Have a fun trip! Sentence6: There are 6 hotels in the east rated 4-stars ranging from cheap to moderately priced. Do you have a preference on price range? Sentence7: Thank you, I'm also looking for a train. Can you help with that? Sentence8: I do not, but it should have wifi. Sentence9: The price of the ticket is 12.80 pounds per person and is payable at the train station. Is there any thing else I can assist you with today? Sentence10: I can get you aboard TR2656 at 17:54. Would you like me to book you a seat? Sentence11: Absolutely. Where are you departing from, and where would you like to go? Sentence12: I am departing from stevenage anytime after 17:00. I would like to go to cambridge on monday. Sentence13: I could use some help finding a place to stay that is 4-star rated. Sentence14: The train arrives in Cambridge by 18:43. Is there something else I could also help you with? Sentence15: No thanks. That was all I needed. Have a good day Sentence16: Would you like me to book a ticket? Sentence17: Can I have the price for that ticket please? Sentence18: Of course, it's TR2656. Sentence19: a and b guest house's postcode is cb12dp. Sentence20: No, thanks, just give me the postcode. Sentence21: a and b guest house is the area of east and has free wifi and is a 4-star hotel. Would you like me to book it for you? Sentence22: In which area would you like to stay? Question: Who has spoken the sentence 19? (A) User (B) System
Solution:
Answer: (B) System