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: What is the address? Sentence2: Indian, Italian and British restaurants are available in the west part of town for a moderate price. Would you like more information on any or all of these? Sentence3: No, the west part of town Sentence4: I don't have a preference as long as it's moderately priced and in the west part of town. Sentence5: Meghna is an Indian restaurant, it is in the moderate price range, and it is in the west part of town. The address is 205 Victoria Road Chesterton. Sentence6: May I suggest curry prince, a moderately priced indian restaurant in the east? Sentence7: I would like a moderately priced restaurant in the east part of town Sentence8: Did you want the address for an Indian, Italian, or British restaurant? Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I am also looking for a place to stay at a 4 star hotel near the restaurant. Sentence2: I was able to book a room for 5 people, 5 nights. Your reference # is 5DD52JOS . Can I help you with anything else today? Sentence3: I prefer something cheap. Sentence4: Yes, for 5 nights on the same day. I also need the reference number. Thanks! Sentence5: Lets go with charlie chan, I would like to to book a table for 5 people at 11:00 on wednesday. Sentence6: Okay, have a great day! Sentence7: Need a place to dine, chinese near centre. Sentence8: The Alexander Bed and Breakfast is cheap, would you like to book it? Sentence9: There are three options, charlie chan, rice house and golden house. Can I book you for one of those? Sentence10: Are either option cheap? Sentence11: There are two located in the same area. alexander bed and breakfast and university arms hotel? Sentence12: I think that is all I need today. Thank you for all your help. Sentence13: I have 10 places. Would you like a certain price range? Sentence14: Your booking was successful, the reference number is B1FIKA09 . Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I'm afraid there aren't any scottish places in town. Would you like to try a different cuisine? Sentence2: i have 2 places that serve french food and are expensive. one is restaurant two two. the other is cote. which would you like? Sentence3: Does that also have free parking? And I forgot to mention I'd prefer a guesthouse. Sentence4: Sure, the Cambridge Belfry fits that bill. It has great reviews and is cheap. Can I get more information for you? Sentence5: Book for me 1 person and 2 nights starting from wednesday. Sentence6: I have made the reservations and your reference number is 4WK86HPM . Sentence7: thanks alot. have a good day Sentence8: Is there a French restaurant? Sentence9: You're welcome! Have a great day as well. Sentence10: I'll book a table for Cote. 1 person at 16:15 on the same day as the hotel booking. Sentence11: In that case, the Cambridge Belfry would not work. It's a hotel, not a guesthouse. The Acorn Guesthouse has wifi, parking, is moderately priced and has 4 stars. Sentence12: Your booking was successful.Your reference number is : 6UPHIRT7 . Is there anything else you need help with today? Sentence13: Hi, yes, I'm looking for a 4 star hotel to stay in. The only amenity it has to have is free wifi. Sentence14: Yes I am looking for someplace to eat that serves Scottish food that is in the expensive price range. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION:
Answer: (B) System