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: Perfect, I have train TR1472 that meets your criteria, would you like me to book a ticket for you? Sentence2: I can help you with that. Where are you traveling from? Sentence3: Book it for 3 people. Sentence4: Sure. Your train is booked. The fee will be 30.29 GBP and your reference number is 7FGDRE1Q . Sentence5: I need to find a place to stay as well. Can you help? Sentence6: I need to find a train into Cambridge that will arrive by 09:15. Sentence7: I will be leaving the Stansted Airport on Thursday. Sentence8: I need to know what you're looking for first. Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: It's a hotel. There are 5 guesthouses in the area. Do you prefer cheap or moderate for the price range? Sentence2: I want to go from cambridge to ely, no preference for time but I need to book for 8 people. Sentence3: Great. Can you help me with a train as well? I'm looking to come in from Ely. Sentence4: What is your destination? And do you have any preference for day, departure or arrival time? Sentence5: There are 5 guesthouses that have free parking. Should I book one of them for you? Sentence6: There are trains that run every two hours every day starting at 5:50. Do you know what day you'd like to travel? Sentence7: Okay, none of them DON'T offer free wifi? If not, I'll need the address for one that does have wifi, please. Tell me about your favorite. Sentence8: no, but it should have free parking, please. Sentence9: Thank you and enjoy your visit. Have a great day. Sentence10: The price doesn't really matter. I just need free parking. It doesn't really need to have internet though. Sentence11: The allenbell is a guesthouse on the east. The addres sis 517a coldham lane post code cb13js. Sentence12: There are no hotels that do not have internet, but 7 which do have it. Do you have a specific price range you'd prefer? Sentence13: Is that a guesthouse or a hotel? I'd really prefer a guesthouse. Sentence14: Hi. I'm looking for a hotel in the east. The internet is not needed. Sentence15: The Express by Holiday Inn Cambridge is in the area and has free parking, would you like more information? Sentence16: No, I don't need anything else right now. Thank you for your assistance. Good Bye. Sentence17: I'm looking for Wednesday , arrive by 11:30 for 8 people Please. Sentence18: Booking was successful, the total fee is 35.2 GBP payable at the station. You reference number is 7ZCVR4Q3 . Can I help you with anything else? Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: What time would you like to arrive at your destination? Sentence2: Could you just give me the postcode please? Sentence3: Can you tell me the departure and arrival time for that train? Sentence4: Yes, it leaves at 07:06 and arrives by 07:56. May I help with anything else? Sentence5: As long as it leaves after 20:30, then it's fine. Can you give me the train ID? I'll buy at the station. Sentence6: I would be leaving from Cambridge going o Peterborough. Sentence7: You're welcome. Have a great day! Sentence8: No thank you. That is all I needed. Good bye. Sentence9: I just need to leave after 20:30. Sentence10: the postcode is cb12tz. Is there anything else I can help with? Sentence11: Can you please tell me your departure and destination? What time would like to leave or arrive? Sentence12: The ID is TR6688. Sentence13: How about the last train, it'll get you there at 07:56. How many tickets please? Sentence14: I need help finding a train for Thursday. Sentence15: I also need a place to stay. I am looking for a 0 star hotel in the moderate price range Sentence16: That narrowed it down to 1 hotel that meets your criteria. It's called CityRoomz. They offer free internet. They are located at Sleeperz Hotel, Station Road. Would you like to book? Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User