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: Kymmoy is in the centre of town and the phone number is 01223 311911. May I help you with anything else? Sentence2: Thank you, I have all I need. Goodbye! Sentence3: What is the phone number and area? Sentence4: Is there any expensive restaurants in town serving Australian food? Sentence5: You're welcome. Thanks for your call! Goodbye. Sentence6: Kymmoy is an expensive asian oriental restraunt in town. Sentence7: I'm sorry, there are no Australian restaurants. Would you like another type of food? Sentence8: How about asian oriental food? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Can I get a taxi from Magdalene to Hakka, please? I need to make sure I get there for that reservation. Sentence2: May I suggest Hakka, a very nice Chinese Restaurant in the north part of town. Shall I provide you with more information? Sentence3: The post code is cb41jy. Can I help with anything else? Sentence4: You're welcome! Have a great day! Sentence5: You're welcome is there anything else I can help you with? Sentence6: What is their postcode? Sentence7: Your taxi is a blue volkswagen . The contact number is 07121936050 Sentence8: Yes, get me some more information on magdalene college please Sentence9: No but can I make a booking for 8 people at 18:30 on sunday. Sentence10: We have 9 expensive Chinese restaurants across town. Do you prefer a specfic part of town? Sentence11: Yes, I do. I would like it to be in the north. Sentence12: Thank you so much for your help Sentence13: I'm looking for a high scale chinese restaurant. Sentence14: I have made those reservations your reference number is 61KTQSEO . Sentence15: Great! Thanks for all your help today! Goodbye Sentence16: Yes their address is Magdalene Street and their telephone number is 01223332138. Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Hey there. I think I need a vacation asap. You think you can help me find a 4-star hotel somewhere? Sentence2: The the total fee is 53.7 GBP. Have a great day! Sentence3: I have no preference but I need it for 3 nights starting on Friday for 3 people. Sentence4: What is your destination that day? Also is there a certain time you would like to arrive or depart by? Sentence5: It should arrive by 8:30. Sentence6: The number is SPRQBYFB, is there anything else you need? Sentence7: We have 21 places that meet your request, do you know if you want a guesthouse or a hotel? Sentence8: I would like to stay in a hotel and it should be in the east. Sentence9: The booking was unsuccessful would you like another day or shorter stay? Sentence10: I was able to book you at a and b guest house. Your reference number is QGABNRTX . Can I help you with anything else? Sentence11: That's it for now. Thanks for all your help. Great service. Good bye. Sentence12: I have no hotels in the east. Would you like to try another area? Sentence13: How about 2 nights? Sentence14: Please book the 6:32 train for 3 people and please provide me the reference number Sentence15: I want to depart from broxbourne. Could I get a reference number please? Sentence16: How about a guesthouse? Sentence17: So you want to arrive in Cambridge by 8:30? Can you tell me where you'll be coming from? Sentence18: There are two choices, one arrives 6:32 and the second one arrives at 7:32. Which one would you like and how many tickets do you need? Sentence19: There are 6 guesthouses available. Do you have a price range in mind? Sentence20: I'm looking for a train on the same day as my hotel booking. Question: Who has spoken the sentence 16? (A) User (B) System

SOLUTION:
Answer: (A) User