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: There are 2 expensive French restaurants. Restaurant Two Two, and Cote. Which would you like to book? Sentence2: No, that's everything I needed today. Thank you. Sentence3: Are you able to find me a french expensive restaurant? Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: I like the sound of Restaurant Two Two, could you give me their postcode, address and phone number? Sentence6: Restaurant Two Two is located at 22 Chesterton Road, Chesterton. Their postcode is cb43ax. You can reach them at 01223351880. Any other information I can provide? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I need a place to stay located in North Cambridge that has free parking. Sentence2: I am also looking for a good restaurant in the same north part of town. Sentence3: I have made those reservations for you your reference number is G3PHR3FO . Sentence4: Yes, I would like a 3 star guesthoise please. Sentence5: The address for the Chinese restaurant is 191 Histon Road Chesterton. Sentence6: Alright, have a nice day! Sentence7: Please book a taxi. I want to depart the hotel at 06:30 and go to the restaurant. Give me car type and contact info Sentence8: No, that is all I need today. Thank you. Sentence9: Can you tell me the address for the Chinese restaurant Sentence10: There is a Chinese and an Indian moderately priced restaurant in the north part of town. Would you like to book one? Sentence11: I have 8 guesthouses and 2 hotels in that area with free parking. Do you have a price range or rating in mind? Sentence12: hamilton lodge suits all your description Sentence13: There are many good restaurants in that area. Do you have a cuisine preference? Sentence14: I would like it to be in the moderate range please. Sentence15: A red skoda will be arriving to take you to the Golden Wok. The contact number is 07740908114. Is there anything else I can do for you? Sentence16: Okay, please book that 2 people and 4 nights starting from Friday. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User