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: 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: Yes I was able to do this and the reference number is J7S65ALV . Sentence2: Ok. Thank you and good bye. Sentence3: i need information of a hotel called allenbell. Sentence4: I am also looking for an entertainment place. Sentence5: Sure, great guesthouse on the east side. 4 stars but still cheap. Sentence6: Would you like the attraction in the same area as the guesthouse? Sentence7: My favorite is Nusha. It's in the south. Unfortunately, I don't have the information on their entrance fee, but I can give you their phone number, if you like. Sentence8: That would be fine. I think that's all I need. Thanks for your help! Sentence9: That doesn't really matter. What's the entrance fee and area for your favorite entertainment place? Sentence10: Could you make a reservation for 8 people for 5 nights starting Tuesday? I will also need the reference number. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I have 202 results. Where would you like to arrive? Sentence2: I need it to arrive at Birmingham New Street Sentence3: Unfortunately I wasn't able to book that time for you. Would you like to try for another time or day? Sentence4: I have 15 trains leaving hourly on the :01 from 9:01 to 23:01. The trip duration is 163 minutes. What time would you prefer? Sentence5: Okay there are 19 trains making that trip do you have a time you prefer? Sentence6: Please book for 6 people the train that departs at 9:01. Sentence7: No problem at all! Remember that the Cambridge TownInfo centre is here for all your 411 needs! Sentence8: Clowns Cafe at 54 King Street City Centre would work well for you. Would you like me to book it? Sentence9: Thank you. That was all I needed for today. Thank you very much. Sentence10: Yes, I need a train out of cambridge on Friday. Sentence11: Booking was successful. Reference number is : SUTXD8Y6 . is there anything else I can help with? Sentence12: Sometime after 8:30, please. Sentence13: Yes please. Can you try 19:00 instead? Sentence14: I need 6 tickets please. Sentence15: I want to book a table for 6 people at 20:00 on thursday. Sentence16: I would like to find an Italian restaurant that's expensively priced. Sentence17: I can book you one that leaves at 05:00. How many tickets would you like? Sentence18: I successfully booked you on Train TR3732 for 6 people, total fee of 450.6 GBP. Your reference number is 2ZQNPAPB . Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User