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: I've successfully booked your rooms, and your reference number is D4TV4G4T . Sentence2: I would like a hotel to the north that is a guesthouse, please. Sentence3: Could you please tell me the price and travel time of that train? Sentence4: I sure can help with that! Can you please tell me where you will be traveling to? Sentence5: Can you reserve us some rooms? We're a party of 8 and we'd like to stay 3 nights, starting Sunday. Can you check that the train is also on Sunday? Sentence6: Thank you, That was all I needed Sentence7: Have a nice stay in Cambridge! Sentence8: I show 7 guesthouses that match your criteria. Might I suggest acorn guesthouse. They have free parking and internet. Phone number is 0122353888. Sentence9: I also need a place to stay. I need a hotel that is 4 star and of moderate price. Sentence10: I have about 11 different options. All are guesthouses. Do you have a preference on area so that we can narrow it down? Sentence11: Yes I will traveling to Cambridge and want to arrive by 14:30. Sentence12: Hi, I need a train from stansted airport that arrives by 14:30. Can you help? Sentence13: TR3659 arrives at 05:52 Sentence14: Sure, price is 10.10 pounds and the travel time is 28 minutes. Can I help you with anything else today? Question: Who has spoken the sentence 8? (A) User (B) System
Solution:
Answer: (A) User