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: No, that's all I needed. Thank you for your help - goodbye! Sentence2: I will take the one that arrives at 15:08. can you make me a booking for 8 people on Wednesday? I will need a reference number. Sentence3: The train should depart from Cambridge on Wednesday and headed for Stansted Airport. It should arrive by 15:15. I would also like you to make a booking for 6 people. Sentence4: I'm looking for a train. Sentence5: I have two trains that would suit you. One arrives at 14:08 and the other at 15:08. Do you have a preference? Sentence6: I have 2,828 trains with different routes, to help narrow it down, where will you be departing/arriving, and what day/time? Sentence7: It was a pleasure to assist you. Please use us again for your future needs. Have a good day. Sentence8: Sure thing! I've booked the train for 8, and your reference number is I62H3VUY . Is there anything else I can do for you today? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I'm departing from the oak bistro. Sentence2: I have the taxi ready for you Sentence3: I would like to leave after 17:00. Sentence4: Hi, I need a tax to queens' college please. Sentence5: What time would you like to leave? Sentence6: What is your departure site? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Could you help me finding some place to eat for dinner? Sentence2: Yes, I also need the postcode, area, and food type for a place called Royal Standard. Sentence3: Not really. Which college would you suggest I visit? Sentence4: No I'm trying to find an attraction near town centre, preferably near a college. Sentence5: Yes. it is 01223334200. anything else i can do for you? Sentence6: Thank you! Have a great day! Sentence7: Of course! Emmanuel College is located on saint andrew's street, postcode cb23ap. May I assist you with anything else? Sentence8: Goodbye. Have a wonderful day and stay. Sentence9: Do you have a food type preference? Sentence10: You're welcome. Do you need any further assistance? Sentence11: I have several places. Is there a specific one you have in mind. Sentence12: Do they have a phone number? Sentence13: Emmanuel College is a great college to visit. It is located at saint andrew's street and the entrance is free. Sentence14: No, I don't need anything else. Goodbye Sentence15: Yes, may I please have the full address with postcode for Emmanuel College? Sentence16: The Royal Standard is a gastropub in the east, the postcode is cb13nl. Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION:
Answer: (B) System