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: Hello, I'm looking for an Italian restaurant on the East side. Thank you! Sentence2: Is this restaurant in the moderate price range? Sentence3: Let me know what else you need . Sentence4: Have a nice day then! Sentence5: Thank you for your help. Bye. Sentence6: Yes book a table for 8 on sunday at 19:30 please. Sentence7: No I will call back thank you. Sentence8: Can you find another restaurant int he same area and price range for me? Sentence9: I did not say to book rajmahal. What type of food does it serve? Sentence10: I was able to book rajmahal, reference number is KSFSKIC1 Sentence11: The address and phone for the Rajmahal is 7 Barnwell Road Fen Ditton cb58rg, 01223244955. Enjoy our city. Sentence12: They serve Indian food. Sentence13: Your reservation is made. The number is KSFSKIC1 . Sentence14: If there are not any Italian restaurants available in the area that are moderately priced, Rajmahal will be fine. Sentence15: I hope to. Goodbye. Sentence16: I show one called the PIZZA HUT FEN DITTON that serves Italian style food and is located on the east side in the Cambridge Retail Park Newmarket Road Fen Ditton Sentence17: It is listed in the moderate range. Would you like to book a reservation? Sentence18: I'm sorry, we were not able to book a table at that restaurant. Would you like me to find another restaurant? Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Could I get the reference number please? Sentence2: I have a table for 4 at 12:15 on Saturday at Curry Garden. Is there anything else i can help you with? Sentence3: You are welcome! Enjoy your visit! Sentence4: No that is all I do believe thanks for all of your help Sentence5: I am also looking for an Indian restaurant that is located in the centre? Sentence6: Yes your booking was successful and your reference number is Z7XFCSHU . Sentence7: Yes, can you please book a room for me for 4 people for 5 nights starting on Thursday. Sentence8: there is curry garden as well as eight other options for you. Sentence9: I'm looking to get some info about a hotel called Home from Home Sentence10: Home from Home is located at 78-80 Milton Rd. It's a 4 star hotel in the north part of town. Phone is 01223323555. Sentence11: Curry Garden sounds good, can you book me for 4 people at 12:15 on saturday? Sentence12: Your reference number is XDJE6L0H . Do you need anything else? Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Your booking is a success. Your reference number is: HHCGQ5HZ . Yes, it does have internet. Sentence2: Booking was successful, the total fee is 151.19 GBP payable at the station, your reference number is YYKJRD9R . Will that be all? Sentence3: TR6678 departs from Leicester at 10:09 on Saturday. Shall I book that for you? Sentence4: Help me find a train that leaves after 09:45 on Saturday. Sentence5: There are three guesthouses that meet your criteria. I would recommend the Autumn House. Would you like me to book a room for you? Sentence6: Yes please make a booking for 5 people. Sentence7: does it have free wifi and parking? Sentence8: Okay would you be able to make a reservation for me for 4 nights for 5 people starting Saturday? Sentence9: Thank you. I am also looking for a place to stay. It needs to be cheap and in the east. Sentence10: The TR5170 departs at 11:00. Would that work? Sentence11: Does it depart from Leicester? Sentence12: It sure does. Can I get you more information? Question: Who has spoken the sentence 10? (A) User (B) System

SOLUTION:
Answer: (A) User