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: That's all I need for now. thank you very much. Sentence2: Addenbrookes Hospital. The contact number for the paediatric intensive care unit is 01223217715. Sentence3: Can I get the postcode as well? Sentence4: Where's the closest hospital with a paediatric intensive care unit? Sentence5: You are welcome! Have a great day! Sentence6: It looks like the Post Code is CB20QQ. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Your reservation was successful and your reference number is UO8AN5FO . Is there anything else that I can help you with today? Sentence2: I am looking for the Alpha-Milton Guest house and would like to book it for 5 people for 2 nights starting Friday. Can you send me the reference please? Sentence3: That's all, thank you so much! Sentence4: Thank you for calling, enjoy! Goodbye. Sentence5: Sure, what is the name of the hotel? Sentence6: Hello. Can you help me in locating a certain hotel? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: We appreciate your business. Thank you for using our services, take care! Sentence2: Hello, I need a train that will be departing from Birmingham New Street on monday. Sentence3: I don't have a preference. Could you just give me the phone number of the first museum on the list please? Sentence4: Can you also help me find a place to visit while I am in town. Maybe a museum? Sentence5: TR1328 leaves Birmingham New Street at 13:40 and arrives in Cambridge at 16:23. Would you like to purchase a ticket? Sentence6: That's all I need, Thank you. Sentence7: Yes, I'll need 8 ticket on that train, please. And may I have the reference number? Sentence8: I would like to leave for Cambridge after 13:00. Sentence9: Your booking was successful. The total fee is 600.79 GBP, payable at the station, and your reference number is 35RQLG92 . Sentence10: The first museum is the Broughton House Gallery. Their phone number is 01223314960. Is there anything else I can help you with? Sentence11: There are 23 museums. Which area would you like? Sentence12: Many trains leave from Birmingham New Street on Monday. What time of day would you like to travel? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION:
Answer: (A) User