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: I would prefer the north please. Sentence2: I have found 13 of them. Can you please be more specific about what you would like? Sentence3: I'd like to find a college to visit in the center of town. Sentence4: No thank you that will be all Sentence5: I would suggest the acorn guest house it is a great place to stay. Sentence6: That will be fine. I'll need to book for Saturday, 3 nights, and 1 person. Sentence7: You're all set! Your reference number is 41BK9PC7 . Sentence8: moderate price range thank you Sentence9: There are 32 hotels that offer free internet, is there a price range or area you prefer? Sentence10: Actually one more thin, I need a taxi from the hotel to the restaurant, I want to leave at 09:45. Sentence11: Thank you! Can you also help me find a place to stay with free wifi? Sentence12: I narrowed it down to 17. What part of town would you prefer and do you want free parking? Sentence13: No that will be it for today. Sentence14: I recommend Emmanuel college. Their address is saint andrew's street Sentence15: Okay, I booked a yellow honda and their contact number is 07225232221. Do you need help with anything else? Sentence16: You can choose one for me and give me the address. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

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: Great. Enjoy your stay in Cambridge. Sentence2: How does lovell lodge sound? It is in the moderate price range but it has a two star rating. Sentence3: I have found three hotels which in the cheap and moderate price range. They are also located in the north and centre area. Which do you prefer? Sentence4: Yes, I was able to book that for you. Address is 365 milton road. Reference number is EWRN88MQ . Would that work for you? Sentence5: Great! Let me know if you need anything else. Sentence6: We will. Thanks again. Sentence7: Yes please that would be great. Can you do it for 5 people for 5 nights starting sunday Sentence8: I am looking for a place to stay with free wifi and a 0 star rating. Sentence9: I have located citiroomz in the centre area, would you like me to book you? Sentence10: Yes that's fine. Thank you so much! Sentence11: Do they have rooms available for 5 people for 5 nights starting on Sunday? Sentence12: Sorry, that booking was unavailable. Would you like to try another hotel? Sentence13: Can you find a hotel in the same price range? Sentence14: One with moderate price range, please. Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION:
Answer: (B) System