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: Please contact the Parkside Police Station at 01223358966. Sentence2: Help me please, i just been robbed and don't know what to do. Sentence3: Thanks, that's all. Good bye. Sentence4: Thank you for using our services. Sentence5: The postcode is CB11JG. Do you need further assistance? Sentence6: Thank you, what's the postcode? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I was able to book your taxi. It is a white Tesla and the contact number is 07335673174. Is there anything else you need today? Sentence2: The old schools is wonderful located at trinity lane. Sentence3: I'm looking for a place to dine in the centre in the moderate price range. Sentence4: No, what do you recommend? Sentence5: that is all i needed. i appreciate your help alot Sentence6: There are 44 attractions in the centre of town. Do you have particular type of attraction in mind? Sentence7: They have free entrance. Their phone number is 01223332320. Sentence8: I'm glad I was able to help you today. Hope you have a great day. Sentence9: Would you like a table at Cotto? Sentence10: Ok, will you be leaving from the restaurant or the college? And what time of day would you like this booking to be? Sentence11: Can you tell what attractions are near the restaurant? Sentence12: I also want a taxi two go between those two places. Sentence13: I want to leave the college by 07:00 so please go ahead and book that taxi for me Sentence14: Sure! The phone number for Cotto is 01223302010 and the address is 183 East Road, City Centre. Is there anything else I can help you with? Sentence15: What is the entrance fee and phone number? Sentence16: Yes, that would be fine. I don't need a book but can you give me the phone number and address for Cotto? Thanks Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User