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: Booking was successful, the total fee is 75.59 GBP payable at the station . Reference number is : LQKC8QD2 . You'll be on the TR1193 which will arrive at 12:54. Sentence2: Thanks for helping me, I am all set. Sentence3: Are you looking for a place to visit, eat or stay? Do you need transportation? Sentence4: Can you book 2 tickets for a train that arrives closest to 13:00 please? Sentence5: Great, thank you for visiting us and I hope that you enjoy your stay. Sentence6: I am looking for information in Cambridge Sentence7: I found 7 trains that match your criteria. How early do you want to leave? We have trains running every hour from 05:09 to 11:09 Sentence8: I'm interested in any boats on the westside. Sentence9: Okay great! I also need a train. Can you assist me with that? Sentence10: There are a number of colleges in the west. I suggest magdalene college on magdalene street, cb30ag. Phone is 01223332138. Entrance is free. Sentence11: Sure, I am going to be travelling from Leicester to Cambridge on Monday. I need to arrive by 13:00. Sentence12: Okay what about any atttaction that is in the type of college and if available may i have the entrance fee, phone number and postcode. Sentence13: Yes, I need more information on your trip first. Sentence14: There are no boats on the west side of town right now, do you have something else you'd like to try? Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: That will work. What is the price and arrival time for that? Sentence2: Where would you like to travel from and to? Sentence3: Sure, I have 7 trains that would work. The closest to your requested time is the TR5110 that leaves at 20:34. Sentence4: That will cost you 16.50 pounds and you will arrive by 21:24. Sentence5: Certainly. Home from Home is a guesthouse on the north end of the city. It offers free internet and parking and is moderately priced. Would you like to book a room? Sentence6: The train should depart from cambridge and travel to peterborough. Sentence7: You too. Goodbye. Sentence8: I would like to book a train that is running on Tuesday and departs anytime after 20:15, can you help me with that? Sentence9: Thank you have a nice day. Sentence10: Your booking was successfull! Reference number is I5VKNKJ3 Sentence11: That is great. I also want to know about a hotel called home from home. Can you find it for me. Sentence12: Yes. I would like to book for 8 people for 3 nights starting from Saturday. Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I can book that for you, first I'll need to know where you'd like picked up at. Sentence2: Great! Have a nice day! Sentence3: Excellent, can I get a contact number please? Sentence4: I would like for a taxi to take me to london liverpool street train station, arriving no later than 17:45 please Sentence5: Of course. The contact number is 07689939820. Can I help with anything further? Sentence6: A white Toyota is booked for you. Sentence7: I would like a taxi to take me to London liverpool street train station Sentence8: that's great. thanks Sentence9: I would like to depart from London Kings Cross Train Station. Sentence10: Thank you goodbye Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION:
Answer: (A) User