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: No thank you. That is great. Sentence2: Have a good day! Sentence3: There are three british restaurants in the west. What price range are you considering? Sentence4: Thanks! Sentence5: I'm looking for meals under 30$ a person. I need to book for 3 at 16:15 on Wednesday. Sentence6: The restaurant Saint Johns Chop House is the only restaurant to your specifications with a moderate pricing. Would you like me to make a reservation? Sentence7: Your booking is successful and your reference number is CZT3LA0M . Is there anything else I can help you with? Sentence8: Yes please and I will need a reference number. Sentence9: I am looking for a German restaurant in the west. Sentence10: Enjoy your time! Sentence11: There are no German restaurants available in the west. Would you like to try a different area or different food type? Sentence12: How about one that serves british food instead? Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: kohinoor. i want to book a table for 2 people at 16:45 on Thursday Sentence2: Nope, I'm all finished for today. Thanks so much, goodbye now! Sentence3: Sure. Booking was successful. The table will be reserved for 15 minutes. Reference number is : X9AVZ8EI . Can I help with anything else today? Sentence4: Absolutely. What is the name of the restaraunt you are interested in? Sentence5: You are very welcome, bye! Sentence6: I need to find some information in a particular restaurant. Are you able to look up a specific place? Sentence7: I also need a Thursday train. Sentence8: Depart from Ely and would like to arrive by 13:00 in Cambridge. I need to book it for 2 people I also need a reference number. Thanks Sentence9: What location will you depart from and where are you headed? Sentence10: Sure thing, it's booked and your reference number is PWSVK4XQ . Do you need more help? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: How would I find TR6247 in Cambridge? Sentence2: I am injured I need a hospital that has the cambridge eye unit department Sentence3: Yes, please. May I also have the general phone number for my records, too? Sentence4: Sorry for the mix-up the full address for Addenbrookes Hospital is (including postcode): Hills Rd, Cambridge, CB20QQ and their number is 01223245151. Can I help with anything else? Sentence5: Addenbrookes Hospital is located at Hills Rd, Cambridge. Do you need the postcode? Sentence6: Can I please have the full address of the hospital as well as the postal code? Sentence7: The number for that department is 0122357168 Sentence8: The main phone number for Addenbrookes Hospital is 01223245151. May I assist you with anything else? Sentence9: Glad to be of help. Good day. Sentence10: No that's all I need. Thanks for your help. Sentence11: Thanks. Can I get an address as well? Sentence12: The address of the hospital is TR6247. The postcode is CB20QQ. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User