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: can you tell me what area that's in? Sentence2: The Avalon is a guesthouse at 62 gilbert road with free wifi but no parking. Would you like to book them or keep looking? Sentence3: A and B Guesthouse is in the east Sentence4: I have found 14 different guesthouses for you. What area are you interested in? and will you be needing parking? Sentence5: I'd like the accommodations to be a guesthouse, if possible. Sentence6: There are 3 hotels in the moderate price range with free internet. Do you want free parking and what area do you want to stay in? Sentence7: I need a guesthouse in the moderate price range with free wifi. Please let me know whether they have free parking. Sentence8: i'm looking for a moderately priced hotel that includes free wifi. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: We have nine expensive dining establishments on the west side. Cuisines offered are Thai, Indian, European, and British. Do you have a preference? Sentence2: Thank you. Can you please give me the reference number? Sentence3: The reference number is 5WHDPGHW .. Is there anything else I can assist you with? Sentence4: Okay I booked a table for 4 at 15:00 on Saturday at the Graffiti, an expensive British restaurant in the west area of town. Sentence5: I am interested at eating at an expensive place in the west part of town. Sentence6: No that will be all. Thank you so much for all of your help! Sentence7: Excellent. Have a good rest of your day! Sentence8: No I don't have a preference. I want to book for four people at 15:00 on Saturday. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: You're welcome and if you need anything else feel free to contact us. Sentence2: Yes, can you please book a table for 1 for 17:15 on Thursday. Could I have the reference number please? Sentence3: Area doesn't matter. Can you pick one to recommend? Sentence4: If you'd like to eat in the city center, I recommend the curry garden. Their phone is 01223302330. Can I book you a table? Sentence5: Booking was successful, your table will be reserved for minutes, and your reference number is J37KC1PB . Anything else I can help you with? Sentence6: Thanks all I need thanks ! Sentence7: What area would you like to dine in? Sentence8: Hello, I'm looking for an expensive indian restaurant. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System