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: I don't care when I arrive, but I need to leave after 10:00. Sentence2: Perfect, thanks so much for your help. Sentence3: Yes. Wednesday please. Sentence4: I have successfully make a booking for 5 on that train. Sentence5: Sounds great. Can I get their postcode please? Sentence6: Is there anything else I can assist you with today? Sentence7: Can you find me a train from Stansted Airport? Sentence8: Alright, thanks for contacting Cambridge TownInfo centre! Have a good day. Sentence9: TR0467 leaves the airport at 10:24. Would you like tickets for that train? Sentence10: No that is everything. Have a good day. Sentence11: Queen's college is an excellent choice. Sentence12: The postcode for Queen's College is cb39et. And the reference number for your train (booked earlier) is WMUC700A . Sentence13: Can I have the reference number please? I'm also looking for some places to go, maybe a college in the west. Sentence14: Not a problem. Any day in particular? Sentence15: There are plenty of options. Where will you be arriving and do you have a time preference? Sentence16: Yes, for five please. Question: Who has spoken the sentence 14? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: You are booked for a black skoda. Is there anything else? Sentence2: Thank you for your help Sentence3: Could you give me the contact number for the skoda, please. Sentence4: I'd be happy to book that for you, where are you departing from? Sentence5: No, that is it. Goodbye. Sentence6: Booked car type : black skoda Contact number : 07129813049 Sentence7: I would like a taxi to limehouse. I need to arrive by 7:15. Sentence8: You're very welcome. Do you need any further assistance? Sentence9: Thanks for using our services. Sentence10: I am leaving from nusha. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Thank you for allowing me to help. Have a great day. Sentence2: Let me confirm you are traveling from Cambridge to Stevanage this Saturday. Also, what time do you want to leave or arrive? Sentence3: Thank you for using our services, do you need any further assistance? Sentence4: I am in Cambridge traveling to Stevanage on Saturday. I want to arrive in stevenage by 12:45. Sentence5: No that was everything. Goodbye. Sentence6: The travel time is 19 minutes. Sentence7: Hi, I would like to travel Stevenage from Cambridge by train. Could you please tell me when the next train is leaving? Sentence8: Train ID TR3259 Price 10.24 pounds Reference number is : 1P6X7B88 . Sentence9: I'll also need the travel time please. Sentence10: I actually need to leave on Saturday. Sentence11: The next train departing is TR8306 on Friday at 5:54 set to arrive by 6:43. Would you like to book that? Sentence12: Ok, great. Thanks! Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User