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: Thank you. May I have a street address for the police station? Sentence2: welcome. at your service next time Sentence3: Thank you goodbye Sentence4: Certainly. Their address is Parkside, Cambridge. Can I assist you further? Sentence5: I want to know where I would find the Parkside Police Station. Could you tell me? Sentence6: Their postcode is CB11JG, you can reach them at phone number 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: The post code is cb23dz. Sentence2: I need to arrive at 17:45. Sentence3: I will travel Tuesday. Sentence4: Thats perfect. What is the price and travel time on this train? Sentence5: I also need a train, to cambridge, I want to arrive by 17:45. Sentence6: There's a train that leaves at 13:17, want that one? Sentence7: What day do you need the train? Sentence8: Can I help you with anything else? Sentence9: Is there a time you need to leave or arrive by? Sentence10: It is 17.90 pounds and takes 60 minutes. Would you like me to book this for you? Sentence11: No thanks, just gathering information, that is all I need. Sentence12: That is all I needed today. Sentence13: Could you please provide me with the postcode. Thank you! Sentence14: As long as it arrives in Cambridge by 17:45 and departs from Broxbourne that will work. Sentence15: Glad I could help come backk if you need anything else Sentence16: I am looking for information about the museum of archaeology and anthropology. Sentence17: I have one arriving at 7:32 will this work for you? Sentence18: That museum is located over at University of Cambridge, downing street. It's free to visit. Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: sorry, the booking was unsuccessful. can you please choose another day or time slot? Sentence2: I am looking for a restaurant sitar tandoori. Can you give me more information? Sentence3: There are 4 colleges in the west. Churchill college is located at storey's way. It's entrance fee is free. Sentence4: Thanks. I am also looking for a college to visit while I am in town. Sentence5: there are no colleges in the east. can i look somewhere else? Sentence6: How about in a different area? Sentence7: Alright, I've got your reservation booked, reference number is PE2FBNEN . Sentence8: Can you try for 17:00 instead? And if they are available, I need the reference number. Sentence9: Sitar tandoori is a indian restaurant in the east. It is considered expensive. Would you like to make a reservation? Sentence10: Yes. I would like to book a table for 6 at 18:00 on Monday please. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System