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: I'll be leaving from Leicester and want to go to Cambridge. Sentence2: Booking was successful, reference number is YN5MH1ZN . Anything else I can help you with? Sentence3: Where are you departing from and what is your destination? Sentence4: I need a hotel in the north that has free parking. Sentence5: There are 11 different hotels. To help narrow it down, can you tell me if there is a price range you prefer? Sentence6: All right. I need a booking for six, please, and the reference number. Sentence7: Yes it is. Sentence8: There are 91 trains leaving Leicaster to Cambridge after the specified time. How does Friday 11:09 sound? Sentence9: No thank you that will be all. Thank you for your help in booking my trip and stay! Sentence10: How about the Acorn guest house on 154 Chesteron Road? It's a moderate price range guesthouse that is rated 4 stars with free parking and wifi. Sentence11: Perfect. I'd like to book a 5 night stay for the six of us. Sentence12: Great. Is this hotel stay also starting on Friday? Sentence13: No problem! You have a wonderful day! Sentence14: I'm looking for a train leaving after 10:30. Sentence15: No not really, I would prefer a guesthouse type of hotel with free wifi though. Sentence16: I was able to book the train for you for 6 people. The reference number is 7QAMUGHQ . Do you need anything else? Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, please. Could you book that for five people as well? Sentence2: The Gonville Hotel is rated 3 stars. There is free internet and parking. It is located at Gonville Place and their phone number is 01223366611. Sentence3: Booking was successful. Reference number is : 5C9C9Y4I . now i can help you book a train Sentence4: Thank you. That is all I need today. Sentence5: I have train TR8860 and leaves at 5:50 and arrives at 6:07. Would you like reservations? Sentence6: My companion and I will arrive on Monday, staying for 5 nights, could you provide me with the reference number? We will need to book a train as well. Sentence7: I would like some information on the gonville hotel Sentence8: Excellent. Could you book it for myself and my partner? Sentence9: Booking was successful, the total fee is 17.6 GBP payable at the station .Reference number is : THCMI67T . Sentence10: enjoy your time with us in Cambridge, enjoy! Sentence11: Sure. Can you confirm when you will be arriving and for how many nights you will be staying? Sentence12: uh why yes you are very perceptive. depart cambridge arrive by 9:45 leaves on sat going to ely Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Where will you be going? Sentence2: Yes, thanks! Sentence3: Thank you, I hope you have a good day as well! Sentence4: Are there restaurants in the city centre which serve North American cuisine? Sentence5: That's just perfect. Can you buy our tickets? Same group of people as the gourmet burger kitchen. Sentence6: Have a good day. Thank you for using our service. Sentence7: Train ID TR1898 will have you arriving at Stevenage at 14:10. It leaves Cambridge at 13:21. Sentence8: There is one expensive restaurant called gourmet burger kitchen would you like me to book that for you? Sentence9: I have purchased 8 tickets for you. The reference number is PWMD3SIU . Sentence10: What day and time would you like me to book it? Sentence11: Your booking was successful. The table will be reserved for 15 minutes only. Your reference number is HJCYIRG6 . Can I help you with anything else? Sentence12: Yes. I am looking for a train that departs from Cambridge on Monday. Sentence13: I need it booked for 8 people on Sunday at 15:45. I'd also like to have the reference number. Sentence14: Thank you that is all I needed today. Sentence15: I need to get to Stevenage by 16:45. Sentence16: It's been a pleasure. Good day and goodbye. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User