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: How about the Alexander bed and breakfast in the centre? It is a cheap 4 star guesthouse with free internet and wifi. Sentence2: That sounds like it might work. Could you check availability for two people this weekend? Sentence3: Does this place include free parking? Sentence4: I am unsure at this time. Sentence5: I am glad to help. Have a nice day. Bye. Sentence6: I live in the centre of town and want to see if I can find a reasonable room for my parents to stay while they are visiting. Sentence7: Okay, would you like some more information about that hotel? Sentence8: You have been very helpful. I have everything I need, thanks. Bye Sentence9: The address is 56 saint barnabas road. Sentence10: What day are they arriving, and how many nights are they staying? Sentence11: The alexander bed and breakfast is a cheap, 4 star guesthouse in the centre area, It has wifi and parking. Does this fit your needs? Sentence12: Can you tell me what the address is? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Enjoy your travels! Let us know if we can be of any further assistance. Sentence2: TR8143 departs at 14:11 and arrives in Cambridge by 14:58, does this suit your needs? Sentence3: I need a train leaving from kings lynn. Sentence4: Yes, I'd like to travel on Wednesday, and I'd like to arrive in Cambridge no later than 15:30. Sentence5: There are no nightclubs in the west. Would you like to try another area? Sentence6: There are 133 trains leaving Kings Lynn, do you have a particular day you are traveling? Sentence7: They have free entrance. Their postcode is cb30ds. Sentence8: Could you look up a college instead then? Sentence9: I'm glad I could help. Sentence10: Churchill college is located in the west part of town. Sentence11: Yes it does. Can you verify the total travel time and price? Sentence12: Thank you goodbye. Sentence13: Thanks a lot, that's all. Sentence14: Sure - the travel time is 47 minutes, and the fee is 9.80GBP per ticket. Sentence15: I also need a nightclub in the west. Sentence16: Could you get me the postcode and entrance fee for there? Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes, for 7 people please. If I could have the reference number that would be great. Sentence2: that is it for today thank you Sentence3: Great, thank you. I'm also looking for a 3 star guesthouse located in the north with free parking. Sentence4: Are there any 3-star guesthouses at all? Sentence5: My apologies. Our system only calculates trips either to or from Cambridge, so we are unable to make this reservation for you. Sentence6: Yes, please. I need tickets for 7 people. Sentence7: Success! I have booked you on this train and your reference number is 9M4R8Z4V . Sentence8: I will be traveling on Sunday and need to go to ely. Sentence9: Can I book a train with the same requirements from Kings Lynn to Cambridge? Sentence10: I have found one for you. The Hamilton Lodge is a 3-star guesthouse in the north with free parking. Sentence11: Yes, I believe so. Thank you. Good bye. Sentence12: Okay. What day will you be traveling and what is your destination please? Sentence13: I need to arrive by 09:45. Sentence14: I need a train leaving from kings lynn. Sentence15: There is only one train that day. TR9102 would you like me to book this? Sentence16: Hamilton Lodge's phone number is 01223365664, they're at 156 chesterton road, and they're moderately priced. Would you like to book a room? Or is there anything else I can help with? Sentence17: Sorry, I couldn't find anything matching that. Sentence18: Great! And you're welcome, have a great day! Sentence19: Sure. Do you still want to leave on Friday? Sentence20: Please give me their phone number, price range, and address Sentence21: Thank you for using our services. Have we met all of your needs today? Sentence22: What if I left on Friday? I need to book it for 7 people and I need the reference number please. Sentence23: I'll be happy to book that for you. Do you have a departure or arrival time preference? Sentence24: I'm sorry, but there are no trains that travel between Kings Lynn and Ely. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION:
Answer: (B) System