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: Great I also need a taxi to take me between the two places and get me to the restaurant by 20:00 Sentence2: You are most welcome. May I help you with anything else, such as attractions? Sentence3: The University Arms is a 4 star hotel on Regent Street. Would you like me to make a reservation there? Sentence4: Booking was successful. Reference number is : VJQM2DFY . Anything else I can do for you? Sentence5: Is that in the centre area also, and in the expensive price range? That is what I'm looking for. Sentence6: In the centre, please Sentence7: Perfect!. Thank you for your help! Sentence8: Great, can you book for 1 person and 4 nights starting Wednesday. Sentence9: Have a great day! Sentence10: Yes, University Arms Hotel is a 4-star hotel in the expensive price range. Would you like to make a reservation? Sentence11: There are 33 expensive restaurants in the centre of town. Is there a specific type of cuisine you were looking for? Sentence12: Sure, which part of town did you want to eat in? Sentence13: Booking for the taxi complete look for a grey bmw car contact number is 07434690950 to arrive at the restaurant by 20:00 Sentence14: You have been booked at the Bedouin on Wednesday at 20:00 for 1 person. Your reference number is 29KJKZOD . Is there anything else I can help you with? Sentence15: I'm visiting the centre and want to go all out on the experience. Can you help me find an expensive restaurant? Sentence16: I need a place to stay. Sentence17: no, just surprise me. I need a reservation for 1 person at 20:00 on wednesday. Sentence18: No thanks, that's all I needed. Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: You're very welcome! Goodbye. Sentence2: When and where did this accident occur? Sentence3: Absolutely! The police station phone number is 01223358966 and their address is Parkside, Cambridge. What else can I do to help? Sentence4: I just need an address and phone number for the police please Sentence5: I was in a car accident dispute and I am looking for help Sentence6: I think that is it, thank you. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: 4 stars, please, but still just moderately priced. Sentence2: One with free parking would be great! Sentence3: Thank you. Can you tell me if there is a train going to Norwich on Friday? Sentence4: My apologies, the train ID is actually TR4886, it costs 17.60 pounds per ticket and is a 79 minute trip. The train arrives at 21:55. Sentence5: I found 11 guesthouses matching your preferences. Do you have a star rating you'd prefer? Sentence6: You are welcome, what else can I do for you today? Sentence7: I have 19 trains departing for Norwich on Friday. Do you have a preferred departure time? Sentence8: I have 7 guesthouses that fit your needs. Do you have any other preferences? Sentence9: Hi, I am looking for a guesthouse to stay on the north side of Cambridge. Sentence10: Yes, after 19:45 and departing from cambridge please. Sentence11: Okay, thank you for your help! Sentence12: Great can I get the address of one and whether or not they have free parking? Sentence13: Okay, the TR4885 train leaves at 20:36 and arrives by 21:55. Would that work for you? Sentence14: Nope, that's everything. You've been very helpful. Sentence15: Yes, I think that will work. Can you tell me the price, travel time and confirm the arrival time please? Sentence16: There are 6 guesthouses that match your criteria. If you give me your length of stay and beginning date perhaps I can narrow them down for you. Sentence17: Thank you very much! I am glad i was able to you find everything you needed. Have a wonderful day and I hope you'll use our service again. Sentence18: Arbury Lodge at 82 Arbury Road has free parking. Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION:
Answer: (B) System