TASK DEFINITION: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
PROBLEM: Sentence1: Yes, book me for Sunday departing from london kings cross. Sentence2: Your booking is successful. Train is leaving at 07:17 and it costs 151.04 GBP. Your reference number is 5Y7XKAJY . Anything else I can help with? Sentence3: I need a not later than 9:15 train to Cambridge. Sentence4: 8, please Sentence5: How many tickets will you require? Sentence6: It looks like there's a train for Cambridge with an arrival time of 07:07. Would you like me to book that for you? Sentence7: Okay thank you for calling. Don't hesitate to call us again. Sentence8: No thank you that's I need! Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: You're welcome. Enjoy your meal! Sentence2: I would be happy to make you a reservation, first I will need to know what day and time you'd like to reserve for. Sentence3: Ok. I have booked your reservation. The reference number is RBBHGYRV . Sentence4: Then may I recommend Restaurant Two Two. It is French and tre manufique! Would you like to make reservations? Sentence5: Have you eaten there? Sentence6: For 4 people at 13:45 on Saturday. I'd also like the booking reference number, please. Sentence7: Sure, can you please book a table for four in the evening Sentence8: I have several high end options available. Did you have a preference on the type of cuisine? Sentence9: Is there anything else I can assist you with today? Sentence10: Yes. Would you like to book a table? Sentence11: No, that's all. Thank you. Sentence12: Great, thanks a lot! Sentence13: I am going to be on the north side of town and would like a recommendation to a high end restaurant for dinner. Sentence14: No, I don't have a preference. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System