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: Which one includes free parking? I don't need internet included. Sentence2: Does Finches Bed and Breakfast have free wifi? Since they both have free parking, I might as well go with the cheaper price. Sentence3: Both of them have free parking. Sentence4: Certainly! What time of day would you like to travel, and what are your departure and arrival locations? Sentence5: Good news! Booking was successful. Reference number is : G3504UR7 . Sentence6: Yes that would be perfect! Can I please get it for 3 people, 4 nights and We'll be there by Wednesday Sentence7: That train leaves at 11:11. Travel time is 47 minutes. Sentence8: There are two guesthouses on the west side: Finches Bed and Breakfast, with a cheap price point, and Hobsons House, with a moderate price point. Would you be interested in either of these? Sentence9: Thank you very much for your help. Sentence10: No, I just need the departure time. How long of a trip is it? Sentence11: I need to book a guesthouse in the west of cambridge, are there any? Sentence12: Yes, they have internet as well. Would you like to book this room for you? Sentence13: If you need help with anything else, please don't hesitate to contact us. Enjoy your travels. Sentence14: Will be leaving Cambridge & going to Kings Lynn. Wanted to arrive by 12:00. Sentence15: Sure, TR8704 arrives at 11:58, can I book a seat for you? Sentence16: Fantastic, I'd also like a train leaving on Sunday, please. Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Thank you for using our services. Sentence2: Absolutely, their phone number is 01223358966. Sentence3: You've given me everything I need. Thanks. Goodbye. Sentence4: Am looking for the Parkside Police Station Sentence5: You're welcome. Is there anything else I can help you with today? Sentence6: Thanks for all of your help! Sentence7: You can contact them at Parkside, Cambridge, CB11JG Sentence8: Can I also get their phone number please? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Milton Country Park is a great place to visit! It's in the North and free to enter. Sentence2: How about TR4803 that leaves at 09:29? Sentence3: Great! Please, give me the address of the park. Sentence4: I have 5 to choose from. Is there a certain area you were wanting the park to be in? Sentence5: milton country park, milton. Sentence6: I want to leave on Sunday. Sentence7: There are 56 trains traveling from Bishops Stortford to Cambridge after 9:00 between Friday and Wednesday. What day to you want to travel? Sentence8: Of course. How many tickets do you need? Sentence9: Actually, I don't need a booking. I just need to know when it arrives, thanks. Sentence10: no specific area. just recommend one. Sentence11: Thank you. I am also looking for a park to go to. Sentence12: That will work can you book that for me please? Sentence13: Thank you so much for your time. Have a nice day! Sentence14: You too, enjoy your stay! Sentence15: I need to take a train from bishops stortford to Cambridge. Ill need to leave after 9:00 Sentence16: It arrives at 10:07. Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION:
Answer: (B) System