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: Booked car type : white toyota Contact number : 07264671188 All set. What else can I help with today? Sentence2: looking for places to go in town and be in the South Sentence3: Yes, please book it. Sentence4: Thank you. I'd also like to book a taxi. I need to leave the hotel by 10:15. Sentence5: When will you start your stay? Sentence6: What's the entrance fee? Sentence7: What type of attraction are you looking for? Sentence8: The attraction should be in the south. Sentence9: I think I got everything I need thanks to you! Sentence10: Unfortunately, Nusha has not provided any information on entrance fees. I can seek other options, if you'd like. Sentence11: I need it for Thursday night, for four nights, for 4 people. I'll also need a taxi by 10:15. I need the car type and contact number please. Sentence12: Booking was successful. Reference number is : Y3CFU8WN . Sentence13: There is a hotel called Cityroomz in centre located at Sleeperz Hotel, station road. Would you like me to book it for you? Sentence14: how about nusha? it's located in the south. Sentence15: then find me a particular hotel called cityroomz Sentence16: Well, you are very welcome. I hope you have a great time! Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: book a table for 6 people at 11:15 on tuesday at the Hakka Sentence2: Sure what type of food are you wanting to eat? Sentence3: Do they have free wifi? Sentence4: I booked the taxi, it is a yellow tesla the contact number is 07809860598. Is there anything else I can assist with today? Sentence5: I will need a taxi to get to the restaurant. Sentence6: Booking was successful, and your reference number is TDVD6XSM . Is there anything else I can assist you with? Sentence7: That is all, thank you for your help. Sentence8: The Hamilton Lodge sounds perfect for you. Would you like to know more? Sentence9: I'm glad we were able to help. Sentence10: I would like to find an expensive restaurant in the north part of Cambridge. Sentence11: Yes, they do have internet. Shall I make a booking? Sentence12: There 2 of them - the Hakka and the hotpot. Which one would you like to try? Sentence13: Yes please. I want 4 nights from tuesday, and for 6 people. Give me the reference number too. Sentence14: I am looking for a hotel in the same area that has free parking. Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 48WF5G7X . Can I help with anything else? Sentence16: How about chinese food? Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: TR8842 will get you there at 16:08. May I book it for you? Sentence2: There are 12 options for moderately priced guesthouses, any area preference? Sentence3: Your reference number is RRNTTR7Z . We also have quite a few guesthouses, do you have an area you'd like? Sentence4: Please try 2 nights on Friday and see if that works. For a guesthouse, please. Sentence5: The area doesn't matter. I just need one with rooms available for 3 nights starting on Friday. Sentence6: I would like to leave from london kings cross. Sentence7: I am so sorry, can we start over with the guesthouse? I do need a moderate, but for 8 people. Still arriving Friday for 3 nights. Sentence8: Could we please try a different hotel that is close to The Acorn Guest House? Sentence9: I checked with all 7 guesthouses in the north and none are available for even a one day stay starting Friday. Could we try a different day? Sentence10: I need it to be for 2 people. Sentence11: ok I have one leaving by 05:17, TR5219, would that be fine? Sentence12: Please tell me what town are you departing from and what is your destination? Sentence13: Hi there. Can you help me find a train leaving on Friday? Sentence14: May I have a reference number for that train, please? Sentence15: For the guesthouse, do you have one in the moderate price range that includes free parking? Sentence16: On Friday, I would like to arrive in Cambridge by 16:45. Sentence17: There are over 100 trains available, could you please provide a departure location? Sentence18: Yes, I need it for 8 people. I'm also looking for a guesthouse type hotel with free parking in the moderate range. Sentence19: Well I guess I'm out of luck, unless there are hotels in adjoining towns I could try. Sentence20: Do you have a preference for the number of stars or the area? Sentence21: The Acorn Guest House on 154 Chesterton Road should be sufficient, shall I reserve a room for you now? Sentence22: Yes, please, and I'll need the reference number. Sentence23: It was a pleasure being of service. Enjoy your stay in Cambridge and call again if you need any further assistance. Goodbye! Sentence24: Do you have one that arrives a little closer to 16:45. I don't want to get in too early. Sentence25: For how many people? Sentence26: Your room is booked at acorn guest house for 8 people and 2 nights starting on Friday. Reference number is 3M1I4Q7S . Anything else I can help with? Sentence27: Sorry, we only work with places in cambridge. Sentence28: I was unable to book that room for you. Can we try a shorter stay or a different place perhaps? Sentence29: The booking was still unsuccessful. Would you like to try a different day? Sentence30: No, that should be all I need. Thanks for your help! Sentence31: Sure, please try 2 nights. Sentence32: I could not book a room for that number of nights on those days in that area. Perhaps try a different area? Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION:
Answer: (B) System