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: Don't worry, I should be able to help you. Do you know which station you'll be leaving from or going to? Sentence2: What is your destination? Sentence3: Hi, I am trying to plan a trip and need some help with a train. I'm not familiar with trains at all unfortunately. Sentence4: I'm departing from leicester and I need to leave on friday. Thank you for helping! Sentence5: I also need a place to stay. Sentence6: 11 pm and I want it for three people Sentence7: I'm going to Cambridge. Sentence8: We have many great places to stay. What area would you like and do you have a price range? Sentence9: Is there a time you would like to arrive by? Sentence10: TR6539 will arrive by 22:54. Booking was successful, the total fee is 113.4 GBP payable at the station. Your reference number is IE5RK2IG . Do you need anything else? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Enjoy your travels! Let us know if we can be of any further assistance. Sentence2: TR8143 departs at 14:11 and arrives in Cambridge by 14:58, does this suit your needs? Sentence3: I need a train leaving from kings lynn. Sentence4: Yes, I'd like to travel on Wednesday, and I'd like to arrive in Cambridge no later than 15:30. Sentence5: There are no nightclubs in the west. Would you like to try another area? Sentence6: There are 133 trains leaving Kings Lynn, do you have a particular day you are traveling? Sentence7: They have free entrance. Their postcode is cb30ds. Sentence8: Could you look up a college instead then? Sentence9: I'm glad I could help. Sentence10: Churchill college is located in the west part of town. Sentence11: Yes it does. Can you verify the total travel time and price? Sentence12: Thank you goodbye. Sentence13: Thanks a lot, that's all. Sentence14: Sure - the travel time is 47 minutes, and the fee is 9.80GBP per ticket. Sentence15: I also need a nightclub in the west. Sentence16: Could you get me the postcode and entrance fee for there? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: thanks,i really appreciate your help today Sentence2: want to book a taxi Sentence3: I am departing from sala thong and need to go to abbey pool and astroturf pitch. I need to arrive by 16:45. Sentence4: Booked! Your car is a yellow toyota. Contact number: 07041103823. Sentence5: Where are you going & where should it pick you up? Sentence6: No problem. If you need anything else, don't hesitate to call back. Goodbye. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User