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, but I would like to find a cheap priced south african restaurant. Sentence2: I'm sorry, but we don't have and South African restaurants in the area. Is there a different type of food I can help you find? Sentence3: I would say let's look for an attraction first. Can you recommend something to do in the south part of town? Sentence4: I will go with whatever you recommend, I just need the attraction type and postcode. Sentence5: Hi, I am looking forward to trying some of your local restaurants. I do need help with some other places to go in town while I am there though. Sentence6: There are several nice parks in the area as well as theaters and museums. Sentence7: The byard art museum postal code is cb21sj. Can i help you get transportation to and from the museum? Sentence8: Try Portuguese then. Sentence9: Thanks so much for putting up with me! You've been great! Sentence10: 3 people will be dining. Please give me a reference number once you finish the reservation Sentence11: I would rather be in the south area. Sentence12: What is your food type preference? Sentence13: There are two results. Both are cheap. Do you prefer the south or centre? Sentence14: I have finished booking it for Thursday at 12:15 for 3 people at Nando, your reference number is TDQZGM38 . Do you need anything else? Sentence15: Can you book a table for me there on Thursday at 12:15? Sentence16: The only option is nandos. Sentence17: You are welcome enjoy Sentence18: How many people are in your party? Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Booked! You leave at 13:17, your reference number is 3WICPFQP, you will pay 141.6 at the station. Sentence2: I am looking to book a train. Sentence3: Could you tell me your location, which area of town or what business you are departing from? Sentence4: Certainly. May I ask where you want to depart from? Sentence5: I need to depart from London Kings Cross and go to Cambridge. Sentence6: We are leaving London Kings Cross and need to do so after 12:45 on Friday for 6 people and can I get the reference number for the booking? Sentence7: Okay thank you. That is all I need. Sentence8: Okay thank you for calling. Sentence9: I would like to leave from the closest station to my location. Sentence10: To clarify, are you looking for a train to Cambridge? All Friday trains from London Kings Cross go to Cambridge. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I have christ's college in the centre part of town. The entrance fee is free. Sentence2: I have a train that arrives by 07:55. Would you like me to book that for you? Sentence3: a college please Sentence4: I am not ready to book seats quite yet thank you. I do need to find a place to visit while in town though. Sentence5: There are 18 colleges in Cambridge. What part of town would you like it to be in? Sentence6: You misunderstood, I'm looking for a college to visit while I'm in Cambridge. Sentence7: I don't have a certain part of town. Pick one that you recommend and I will need the area and entrance fee. Sentence8: The total travel time for TR0953 is 79 minutes and will cost 14.08 pounds per ticket. Would you like to reserve a seat? Sentence9: Okay. What is your destination? Sentence10: I need to arrive in Norwich by 8:45 Sentence11: I'm looking for information on trains leaving Cambridge on Saturday Sentence12: I'm sorry but there are no colleges in Norwich. Are there any other areas or type of place I can look up for you? Sentence13: Please contact us if you need further assistance during your visit. Sentence14: Not just yet. What is the travel time? Sentence15: No thank you, that will be everything. Sentence16: Cam you tell me more about the place? Sentence17: The college is on saint andrew's street. Can I help you with anything else today? Sentence18: What type of attraction are you looking for? Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION:
Answer: (B) System