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: Thank you. Could you please get me the phone number? Sentence2: Yes, I was wondering what the location is of Addenbrookes Hospital. Sentence3: no, that's all thanks Sentence4: That hospital is located on Hills Rd, Cambridge. Sentence5: Happy to help. Feel free to call back if any additional questions come up. Have a good day. Sentence6: The main hospital phone number is 01223245151. Were you looking for a specific department? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: You are welcome. Have a great day. Sentence2: Thank you, that will be all. Sentence3: leave after 22:30 and dont care when i arrive Sentence4: Hello. Can you book a taxi for me? I need to travel from the Grafton Hotel Restaurant to Home From Home. Sentence5: No problem at all. What time do you want to leave and arrive by, respectively? Sentence6: Alright, I've got a white skoda coming to pick you up at the Grafton Hotel Restaurant at 22:45, your contact number for them is 07935014262. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: We have just the place. Darrys Cookhouse and Wine Shop serves this type of food in the centre and is within the expensive range. Sentence2: I would be happy to look that up. Where would you like to depart from? Sentence3: I found 10 trains, do you have a particular time you'd like to go? Sentence4: Not now, but I do need a train to cambridge that leaves after 19:45. Sentence5: I have the TR4015 that leaves at 19:54. Will that work? Sentence6: Of course, the address is 40270 King Street City Centre. Would you like me to try and book you a reservation? Sentence7: Yes, that will work. Can you please book 4 tickets for that train. And can I get the reference number please. Sentence8: Booking was successful for TR4015, the total fee is 51.2 GBP payable at the station. Your reference number is : JZCOHGH8 . Can I help with anything else? Sentence9: I am looking for a place to eat. I want to eat modern european food in the expensive price range please. Sentence10: That sounds great! Could you give me the address? Sentence11: No thank you. That was all the information that i needed, i appreciate everything you have done for me. Sentence12: Thank you for using our system! Sentence13: I want to depart from stevenage on wednesday please. Sentence14: The only time specification is that the train leaves Stevenage after 19:45. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User