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: Thank you for using this system Sentence2: There are several cheap restaurants located in the centre part of town. Sentence3: I am looking for a cheap restaurant. Sentence4: Yes, La Raza serves Spanish food. Would you like their phone number? Sentence5: Do any serve spanish food? Sentence6: La Raza is located at 4-6 Rose Crescent, their postcode is C.B 2, 3 L.L Sentence7: Thank you, goodbye. Sentence8: No, I would like the address and the post code please. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

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: I have no entries for that area,would you like me to check another? Sentence2: There are no results for that. Is there a different type of food you'd like to try in that area? Sentence3: Is there a restaurant with my criteria that serves British food? Sentence4: Either a fee or not is fine it woes not matter. Sentence5: Sorry yes I did, would you prefer free or is a entrance fee okay? Sentence6: Are there any sports related entertainment venues on the west side of Cambridge? Sentence7: Have a great day. Goodbye. Sentence8: You couldn't find a museum in the west area? Sentence9: What is the address for Lynne Strover? Sentence10: sorrry i could not find a searching matching the same Sentence11: I have the lynne strover gallery or kettle's yard in the west that is free. Sentence12: Booking was successful. The table will be reserved for 15 minutes. Reference number is : VAGMWR8S . Sentence13: It does not matter. Just make a recommendation and book a table for 4 people at 13:45 on Friday. Sentence14: Can you look for a museum in that area? Sentence15: Okay thanks. That's all for now. Bye. Sentence16: Thank you, we will try there! Now I need help finding a restaurant that serves African food that is in the same location as the museum. Sentence17: There are 3. Two are expensive and one is moderately priced. Which would you prefer? Sentence18: The address is 23 high street, fen ditton. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User