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: Galleria serves European food and is in the centre part of town and has a moderate price range. Sentence2: No restaurants serving australasian food can be found. May I find another type restaurant for you? Sentence3: Looking for someone that serves Australasian food? Sentence4: How about European food? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Well, there are 12 guesthouses and 2 hotels in town that fit your criteria, they all offer free WiFi. Do you have a price range in mind or a star rating? Sentence2: Most definitely. Would you like to go ahead and book a reservation? Sentence3: Do you have a preference of type of lodging, star rating, or internet? Sentence4: I'd recommend a nightclub if you don't mind paying or a museum if you're looking to do something free. Sentence5: We have 44 places to visit in the centre, any specific preferences in mind? Sentence6: I'm sorry, the Acorn Guest House is a guesthouse. Is that acceptable or did you want a hotel specifically? I apologize for the confusion. Sentence7: It's located at 154 chesterton road, the postcode is cb41da, and you can reach them by phone at 01223353888. Sentence8: I'm looking for places to go in the centre area of town. Sentence9: Yes, I would. Can I get the address, area, and phone number? Sentence10: I don't care about any particular area to be honest. Sentence11: How about the acorn guest house? Sentence12: My favorite is the Cambridge Contemporary Art Museum and their phone number is 01223324222 and the post code is cb21su. Admission is free. When would you like a hotel? Sentence13: I would just like to know what is available. Oh I also need free wifi. Sentence14: As long as it has everything I've been asking for, I'm good. Sentence15: Thank you. That was all I needed. Goodbye. Sentence16: I'll repeat this: The hotel should be in the moderate price range and it should include free wifi and free parking. I don't care about the area. Sentence17: A museum sounds good. Do you have the poscode and phone number? I also need a place to stay that is moderately priced with free parking. Sentence18: I found 14 for you. Do you have a specific area you'd like? Sentence19: What would you recommend? Sentence20: I would like a hotel in the moderate price range and it should include free parking. Question: Who has spoken the sentence 16? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Home from home is a 4 star guesthouse in the north area with wifi and parking. Would you like to make a reservation? Sentence2: Yes, please. Just me, same day as the restaurant, and I'll be staying 3 nights. Sentence3: Your reservation at Cocum at 14:00 for 1 person was successful. Your Reference number is : PD01ZLA3 . Sentence4: Booking was successful. Reference number is : TFWXYHTG . anything else today? Sentence5: Thank you. I am also looking for a particular hotel. It's called Home From Home. Sentence6: That's a very nice Indian restaurant on the west side of town. Would you like the phone number or a reservation? Sentence7: That's all I need for today. Thanks! Sentence8: I'd like a reservation, please. I'd need it for Monday, 14:00, and for one person. I'll need the reference number. Sentence9: I am looking for a restaurant called Cocum. Sentence10: Great. If you ever need anything else don't hesitate to ask. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User