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: Yes, please. For 5 people at 14:00 on monday. Sentence2: The camboats are located in the east, how's that? Sentence3: I do not have information on the fee. Sentence4: Ok, thank you. I'm also looking for a restaurant called don pasquale pizzeria. Sentence5: Your booking was successful with reference number 1RF57JD7 . Oh, by the way, your table will be reserved for 15 minutes. Enjoy! Sentence6: Have a lovely stay in Cambridge! Sentence7: Thank you for the reference number. Goodbye! Sentence8: That might be good. What is the entrance fee? Sentence9: Don Pasquale is in the centre. Would you like me to make a reservation? Sentence10: I'm looking for some boats in the East, actually. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I have 5 optionsd available,all have WiFi Sentence2: Do you know if any of them offer free wifi? Sentence3: Sure! We have 18 4 star guesthouses, would you like a specific part of town or price range? Sentence4: I'm needing a 4 star guest house today. Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: I was able to successfully book for 1 night. Your reference number is GS8AHUYB . Is there anything else I can help you with? Sentence2: How about 1 night? Sentence3: I am also looking for a restaurant in the same area that serves Italian food. Sentence4: No, that's everything. Thanks! Sentence5: I am looking for one in the expensive price range. Sentence6: I'm looking for a hotel in the south, I don't need a free parking option. Sentence7: Sure, do you need a hotel room or would you like a guesthouse? Sentence8: I hope that you have a great day as well! Sentence9: Thank you, if you need anything else just ask. Sentence10: I am sorry, I could not get that booked for you maybe another day or a shorter stay perhaps? Sentence11: OK, can I get theie phone number and postal code? Sentence12: Are you looking for a particular price range? Sentence13: We have the Lensfield hotel in the south that is in the expensive price range. Would you like a reservation there? Sentence14: The phone number is 01223323737 and the postcode is cb17dy. Can I help you with anything else? Sentence15: It doesn't really matter to me. Sentence16: The pizza hut cherry hinton features italian food and is located in the south. Sentence17: You are welcome, have a great day! Sentence18: Sure, I need 3 nights arriving on Saturday. There are 7 of us. Question: Who has spoken the sentence 15? (A) User (B) System

SOLUTION:
Answer: (B) System