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 am planning a trip in Cambridge and need a place to stay with free parking. Sentence2: Excellent. Can I book that for 2 people for 2 nights starting on Tuesday Sentence3: I have many different options available. Let me ask, do you have a certain price range or area in mind? Sentence4: Thanks i will find you one.Thanks a lot Sentence5: I have no particular price range, but would like a guesthouse in the north part of town. Sentence6: That narrows it down to about 9 different options. Most offer both free parking wifi. If you would like my personal recommendation, I would say go with the Hamilton Lodge. Sentence7: Booking was successful. Reference number is : 152UJWIK . anything else today? Sentence8: Yes, I need to find a train on Tuesday from Cambridge to London Liverpool Street. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Great! I have booked you a taxi, which will pick you up from the hotel. It will be a yellow Tesla and the contact number is 07140486418. Anything else today? Sentence2: no thank you that is all Sentence3: Could you also book it for me? 3 people, 14:30 on Sunday. Sentence4: Where would you like the taxi to pick you up? Sentence5: Are you sure that you don't want to get to the restaurant for your booked time? Sentence6: I am looking for a place to dine in the centre of town Sentence7: It doesn't matter. We want to eat indian food. Sentence8: Yes,that is it for today. Thanks again. Sentence9: You're welcome, let me know if I can assist with anything else. Sentence10: We have several options. What price range would suit your needs? Sentence11: Sorry, I do need to find a guesthouse as well. Something moderately priced, perhaps 3 stars? Sentence12: May I also have the telephone number for the alpha-milton, please? Sentence13: it should pick me at the restaurant at the booked time Sentence14: the alpha-milton is located in the north. their address is 63 milton road and the postcode is cb41xa. Sentence15: The alpha-milton guest house will fit your needs. Would you like me to be book a room there? Sentence16: Sure, the number for Alpha-Milton Guest House is 01223311625. Can I help with anything else? Sentence17: I have your table booked for Sunday afternoon. They will hold the table for 15 minutes. Your reference number is 28O595TK . Can I help you with anything else? Sentence18: Yes, the address is 106 Regent Street in the City Centre. Their phone number is 01223302330. Can I help with something else? Sentence19: I do need the taxi to get to Curry Garden by the booked time of 14:30. I'm a little scatter brained today. Thank you for clarifying. Sentence20: The prompt before this call came through said that you needed two things, do you need anything regarding a hotel, transport or attractions? Sentence21: Thank you for using our services. Have we met all of your needs today? Sentence22: i also want a taxi to help commute between the two places Sentence23: Well I have the Curry Garden in the expensive price range. Sentence24: No thank you, I just need the address, phone number and area. Sentence25: Please provide me with the address and telephone number. Sentence26: nope, that's all thanks so much! Question: Who has spoken the sentence 16? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: I don't need a ticket just yet. Can you tell me the total cost per ticket, though? Sentence2: I need it to go to cambridge and should depart from leicester. Sentence3: I want to find a hotel to stay at that has free wifi and is moderately priced. Can you help? Sentence4: There are 3 guesthouses that meet your needs. 2 of them have free parking along with the Internet, and one does not. Carolina Bed and Breakfast is very nice. Sentence5: Is there a particular area of town that you prefer? Sentence6: I hope to. Thanks again. Bye. Sentence7: Enjoy your trip. Sentence8: Im getting the info up now, what date and time? Sentence9: I'd like to arrive by 13:45 on sunday. Sentence10: The TR8285 arrives by 12:54. Would you like me to book this one? Sentence11: Have a nice day. Sentence12: Yes, I'd like to be on the east side. The hotel should have a 4 star rating please. Sentence13: Ok, Carolina B&B it is. Can you book me a room for 1 person staying 5 nights on Sunday please? Sentence14: Yes I also need a train. Can you help me? Sentence15: Your booking was successful and your reference number is BCT54NA8 . May I help you with anything else today? Sentence16: That will be all for the day, thank you. Sentence17: All available tickets cost 30.24 pounds each. What else can I do for you? Sentence18: Definitely. When were you wanting to travel? Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION:
Answer: (A) User