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: There's a Parkside Police Station in town, right? Sentence2: Thanks! Also, can you give me the exact address to the station? Sentence3: The only address listed is Parkside, Cambridge. It does not give an exact address, I'm sorry to say. Sentence4: I will also need the postcode please. Sentence5: No, that's all thank you Sentence6: Sure, the postcode is CB11JG. Sentence7: Yeah, sorry for the inconvenience. Can I do anything else for you though? Sentence8: Yes, it is located at Parkside, Cambridge. Sentence9: Wow. That is very odd. Sentence10: Thanks. I need the phone number and postcode too. Sentence11: Sure thing. They are located in Parkside, Cambridge and the phone number is 01223358966. Sentence12: You're welcome, have a great day Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Hello, I am looking for a moderately priced restaurant that serves fusion food. Sentence2: Thank you for choosing our system. Good bye Sentence3: They serve chinese food. Sentence4: I don't care. Sentence5: Bummer. How about some reasonably priced Chinese food, then? Sentence6: Which area you would like to search in? Sentence7: The Lan Hong House is great. Their phone number is 01223 350420. Would you like any additional information about them? Sentence8: What is the phone number of one of them? Sentence9: Thank you goodbye. Sentence10: what is the food type of that restaurant ? Sentence11: There are 4 Chinese restaurants. Three in the center of town and one in the north part of town all moderatly priced. Sentence12: I am sorry, there is no restaurant serving fusion food in the moderate price range. Would you like any other type of food or different price range? Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User