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: Not really but I would like to make a reservation for 7 people at 16:45 on a Friday. I will need the reference number as well. Sentence2: I also need to get a taxi to go from the hotel to the restaurant. I need it to arrive at 16:45. I'd like the contact number and the car type. Sentence3: The car type is a White Volkswagen and the contact info is 07869317817. They will pick you up in time to have you at the restaurant by 16:45. Sentence4: Hi! I'm planning my trip to Cambridge and I was wondering if you had information on any Mediterranean restaurants located in the centre of Cambridge? Sentence5: I was able to book the table for you the reference number is HH5J45Z5 . There are many guesthouses to chose from, what area do you want to stay in? Sentence6: Thre are 3 such places. Do you have a price range? Sentence7: Thank you so much, thats all I need Sentence8: I would like to recommend the gardenia is that okay to book? Sentence9: I don't seem to have a preference but I wiukd like a moderately priced place with free parking. Sentence10: Could I have the postcode and how many stars of the hotel? Sentence11: You're very welcome! Have a great stay! Bye! Sentence12: Can I reccommend acorn guest house in the north,it has free parking and moderately priced? Sentence13: Yes. That sounds good. Do you have any moderate priced guesthouses available? Sentence14: The postcode of Acorn Guest House is cb41da. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

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: I'm looking for a moderately priced restaurant in the north part of town Sentence2: I don't care. Sentence3: golden wok is located at 191 histon road chesterton and its phone number is 01223350688. Is there anything else I can help you with? Sentence4: No. that's all I want. thank you Sentence5: You're welcome. Thank you for calling us today. Goodbye. Sentence6: and also postcode please? Sentence7: Their postcode is C.B 2, 1 U.J. Sentence8: There are two restaurants; chinese and indian that are moderately priced. Do you have any preferences? Sentence9: Okay, how about the Golden Wok? They serve Chinese food in the north part of town and are moderately priced. Sentence10: That will be good. Could you give me their address? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System