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: Help me reserve a taxi to take me to kambar Sentence2: Sure! when would you like to arrive? Sentence3: Sure! What is your departure site? Sentence4: Great. Have a wonderful day. Sentence5: Okay I booked your taxi successfully Sentence6: It doesn't matter. I just want to leave there after 10:45 Sentence7: I need to leave from lovell lodge Sentence8: Great, what are the details, please? Sentence9: A white honda will be picking you up, the contact number is 07580557287. Is there anything else I can help you with? Sentence10: That's all I need for now. Thank you. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Let's try for saturday, but if that is not available then tuesday would be fine Sentence2: I was able to book you for Saturday. Sentence3: That will be all, thanks again. Sentence4: I would like to leave after 21:30. Sentence5: What day will you be arriving? Sentence6: I found Alexander bed and breakfast . Do you want to make a reservation? Sentence7: Yes bookit for the same group of people 4 nights. Sentence8: thanks can I get a reference number please? Sentence9: Yes, i am looking to book a room at the alexander bed and breakfast. Sentence10: You are welcome enjoy Sentence11: Would you like to leave or arrive by a certain time? Sentence12: Yes, whichever train has seats available for 7 people. Sentence13: I'm looking for a train that goes to Cambridge on Saturday Sentence14: I will be departing from broxbourne. Sentence15: We have 3 options that meet your criteria. All depart within an hour of each other starting at 21:32. Would you like me to book one of them for you? Sentence16: Your booking was successful, the total fee is 100.24 GBP payable at the station. The train departs at 21:32. Your reference# is UZFW2TAQ . Is there anything else? Sentence17: Where will you be departing from? Sentence18: Your reference number is XVE54KKH . Is there anything else I can do for you? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Ok, great! I have train TR7423 departing cambridge at 05:00 and arriving at london kings cross 05:51 on Sunday. Would you like me to book this for you? Sentence2: Have a wonderful day. Sentence3: I sure can. What day are you traveling and what is your departure city and destination? Sentence4: Yes, please. Can I get six tickets and a reference number once it's booked? Sentence5: I'm leaving sunday from cambridge going towards london kings cross. Sentence6: I am traveling on Sunday. Sentence7: I have 70 trains leaving cambridge and going to london kings cross. What day would you like to travel? Sentence8: Do you have a preference as to which part of town the college is located? Sentence9: I am also looking for train schedules. Can you help me with that? Sentence10: Your booking was successful. The reference number is 2VRW842P . Is there anything else I can help you with today? Sentence11: I'd prefer somewhere in the west. Sentence12: I need to find a college in town. Sentence13: Churchill college is in the west part of town. Sentence14: No,thank you very much. Sentence15: Can you tell me their address and postcode, please? And do they charge any entrance fee? Sentence16: The address is storey's way postcode cb30ds. Their phone number is 01223336233. Entrance to the college is free. Is there anything else I can help you with? Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION:
Answer: (B) System