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: Could you check the spelling(city centre north b and b) and try to search again? Sentence2: The TR2512 takes 51 minutes. Anything else you need? Sentence3: I will be traveling on Thursday. Sentence4: It is a cheap, 0 star guesthouse located at 328a histon road on the north side. It has free internet and parking. Phone number and postcode are 01223312843 and cb43ht. Sentence5: Yes I am looking for information on a hotel called City Center North B and B. Sentence6: Sure! give me the following information: Day of visit, number of people and number of days that you will be staying. Sentence7: I cannot find that hotel. Any other hotels you would like to find? Sentence8: You're all set. Your reference number is HOSVDEGA . Can I help you with anything else today? Sentence9: Do you have a time preference? Sentence10: Well that will not work. Sentence11: I need to arrive by 14:15. Sentence12: there are many trains but you need to tell us which day you want to travel Sentence13: I am also looking for a train into Cambridge from London Kings Cross. Sentence14: Please book for 2 people starting on thursday for 4 nights. Sentence15: enjoy your stay in Cambridge! Sentence16: The TR2512 will fit your needs. Would you like to book this train? Sentence17: The first train leaves at 5:17. Sentence18: Thank you. Are you able to book that for me? Sentence19: Not at this time. What is the travel time for that train, please? Sentence20: no that will be all thanks Question: Who has spoken the sentence 19? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I'm looking for a nice Italian restaurant. Nothing too expensive...like mid range? Sentence2: Nope, I think that will do it. Thank you so much! Sentence3: Okay, I have booked you at Pizza Express with reference number NK86VOJY . May I help with anything else? Sentence4: I don't care about the area. Could you book a table for 5 at 12:30 on Sunday? Sentence5: I have listing for 5 different ones,can I get what area you are looking for? Sentence6: You are welcome. Have a good day. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I hope you have a nice trip. Goodbye. Sentence2: I am looking for a palce to stay in cambridge that includes free parking and has a 4 star rating Sentence3: Cheap price range and a guesthouse. Sentence4: The Allenbell is very nice. It is also cheap and has 4 stars. Would you like me to book this? Sentence5: I will need a bit more information. Where will you be departing from and what is your destination? Sentence6: I have 19 results. Would you prefer a certain area or price range? Sentence7: Yes, that would work for me. Can you book me 4 tickets please? Sentence8: The train departs from King's Lynn on Friday at 12:30 and goes to Cambridge. Sentence9: ok, that helps me narrow it down a bit. Which side of town would you like it to be on Sentence10: Thank you. I also need a train on Friday. Sentence11: The Allenbell sounds great. Can I get their phone number and postcode please? Sentence12: You are all booked for train TR0674 at 13:11. Your total fee will be 39.2 GBP, payable at the station. Your reference number is WJXW4VRV . Anything else for today? Sentence13: I'm not too concerned with area. Which would you recommend, and do they have internet? Sentence14: I can not find a train leaving at 12:30. Would a train at 13:11 work for you? Sentence15: Thank you. That's all I need for now. Sentence16: The number is 01223525725, and the postcode is cb12de. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User