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: No that's all I needed. Thank you! Sentence2: Mumford Theatre sounds great. May I have their address and entrance fee, please? Sentence3: The bridge guest house phone number is 01223247942. Can I help you with anything else? Sentence4: Hi, I'm traveling to Cambridge and I'm excited about tourist attractions. I'm looking for theatres in the centre of town. Sentence5: Can I please get their phone number as well? That's all I'll need for the day. Sentence6: I have many. May I suggest either The Cambridge Arts Theatre or Mumford Theatre? Sentence7: Unfortunately I am unable to find information on the entrance fee but the address is anglia ruskin enterprise, east road. Their phone number is 08451962320 Sentence8: Sure. The Bridge Guest House is at 151 hills road. Did you need any other assistance? Sentence9: Alright, thank you. I'm also looking for a particular hotel. It's called the Bridge Guest House, could you help me find it? Sentence10: You are very welcome, anytime. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Can you check the availability at the University Arms Hotel for five people? Sentence2: You are welcome. Sentence3: Sure thing! Your reference number is LW8PBD97 . Sentence4: Thursday please. Sentence5: Thank you so much, that is all that I need for now. Have a wonderful day. Sentence6: What day would you like to book? Sentence7: Actually for 5 nights and there will be 5 of us staying Sentence8: For just one day? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, I'd like to arrive by 15:15. I'm leaving from Cambridge as well. Sentence2: Yes, I need the train ID, please. Sentence3: I only need one ticket, please. Sentence4: Ok great and what day would you like the booking to be made for? Sentence5: Yes I was able to book that for you and your reference number is YTANICP1 . Sentence6: I can help with that. I have 10 different trains that can get you there. Did you have a time you need to leave or arrive by? Sentence7: Glad to be of help. Good day to you too. Sentence8: Need a train leaving monday to bishops stortford. Sentence9: Yes I am also looking for somewhere cheap to eat in the centre that serves italian food please. Sentence10: The same day as the train which is Monday. Sentence11: Sure, what time are you looking for a reservation at? Sentence12: Pizza Hut City Centre sounds fine. Could you book a table for 7 people there for me? Sentence13: The total will be 10.10 GBP which is payable at the station. Your reference number is 1EJQJWS2 . Is there any other help you need? Sentence14: There is one leaves at 13:29, arriving at 14:07. Would you like a reservation on that? Sentence15: The ID is TR4861. How many people would you like tickets for? Sentence16: There are three possibilities. Pizza hut city centre, ask or zizzi cambridge. Would one of those work? Sentence17: Awesome! That will be it for tonight. Have a good day. Bye. Sentence18: It'll be for 10:45. Question: Who has spoken the sentence 17? (A) User (B) System

SOLUTION:
Answer: (B) System