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 need help finding a place to stay. Sentence2: I get put you on the tr4698 and your arrival time will be 13:52, would you like a ticket? Sentence3: Is there a 3-star hotel or guesthouse in the north? The hotel doesn't need to include internet. Sentence4: Great! What can I help you with? Sentence5: Lets go with a guesthouse than Sentence6: Where will you be departing from? Sentence7: No, whichever you choose will be fine. I'll just need it booked for 4 people, 4 nights, and starting on Saturday. Sentence8: No, could you just give me the price and the departure time please? Sentence9: I am looking for information in Cambridge Sentence10: I'm sorry, but we don't have any 4 star hotels in the north. We do, however, have 2 hotels with a 2 star rating in that area. Will those do? Sentence11: Actually, can we look for a train first? I need to be in Cambridge by 15:15 on Saturday. Sentence12: Great, thank you! Sentence13: I have many places in cambridge. Do you have a price range? Sentence14: I don't care about the price. I just need it to be in the North part of town, and have a 4-star rating, please. Sentence15: There are 8, I recommend home from home guesthouse. They are moderately priced and offer free parking and internet. Would you like me to book it for you? Sentence16: I'm sorry. There are no hotels meeting your criteria. Would you like to try a different area? Sentence17: I am leaving from Ely. Sentence18: No, that's all. Thanks. Sentence19: Would you prefer a 4 or 3 star guesthouse? I'm sorry we don't have any hotels meeting your needs. The guesthouses are quality establishments though! Sentence20: What's your budget? could you like something cheap, moderate or expensive? Sentence21: Arriving at Acorn Guest House on Saturday and staying for 4 nights with 4 guests. Your Reference number is : 152CAPO9 . Sentence22: Is there anything else that I can assist you with today? Sentence23: I also need a hotel room. Sentence24: 4 star please Sentence25: I have 5 guesthouses that are 4 stars. Do you care which one I book? Sentence26: excellent, have a great day! Sentence27: The departure time is 13:35, and price is 3.52 pounds. Sentence28: I do not want a guesthouse. Question: Who has spoken the sentence 21? (A) User (B) System
Solution:
Answer: (B) System