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: Okay, great. Have a safe trip. Goodbye. Sentence2: Yes please. I need it booked for 1 person for 2 nights starting tuesday. Can i get a reference number? Sentence3: I have found the allenbell guesthouse. It meets all of your criteria, is in the cheap price range, and provides internet and parking. Would you like me to book it? Sentence4: Thank you, that is it for today. Goodbye. Sentence5: The reference number for your booking is KEBFTR7I . Can I do anything else for you? Sentence6: I need a place with rated 4 stars in the east. Can you help me find one that like a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No, as long as it has free wifi and parking. Sentence2: Is there a price range or area you prefer? Sentence3: I'm happy to be of service, and I hope you enjoy your stay in Cambridge! Sentence4: There are 9 cheaply priced guesthouses with free parking and Wifi. Is there are certain area of the city you'd like to stay in? Sentence5: I am really looking for italian food. Sentence6: I'm looking for a restaurant in the cheap price range and in the north side of town. Sentence7: It is located in the city centre, anything else? Sentence8: No, just the address, area please. Sentence9: Actually, I apologize for not being more specific, I want to stay in a guesthouse Sentence10: What area is that in Sentence11: We have an Italian and an Indian restaurant that are both inexpensive in the north part of town. Would you like the addresses of those? Sentence12: Yes I am looking for hotel that is cheap have free wifi and free parking. Sentence13: I would recommend the ashley hotel. Sentence14: alexander bed and breakfast address is 56 saint barnabas road in centre. Sentence15: Great! Yes, I'll also need to find a hotel with free parking and free wifi. Sentence16: That is all. Thanks for the help! Bye! Sentence17: Great, thanks for the help! Sentence18: Glad I could help. Do you need assistance with anything else today? Sentence19: Well here is Da Vinci Pizzeria in the north. It's cheap. 20 Milton Road Chesterton. Sentence20: Yes, that would be fine. Can you book a table for 4 at 16:00 on Wednesday? Sentence21: Absolutely. You're booked for 16:00 and the reference number is I3WAD456 . Can I help you with anything else today? Sentence22: Alexander bed and breakfast is in the cheap price range and has both free parking and wifi, would you like a reservation? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: How many tickets would you like? Sentence2: Yes book it and I need a reference number please Sentence3: I have you booked on the TR5412 departing Cambridge for Ely on Sunday at 13:50. Your reference is RYXMCEFX . Can I help you more today? Sentence4: Thank you for all your help. Good bye! Sentence5: I have a Tr5412 departing at 13:50 and arriving at 14:07. Would you like me to book it for you? Sentence6: There are 10 attractions in the area of east. cambridge artworks is a museum and the entrance fee is free. Sentence7: I also need to find an attraction in the east area. Sentence8: I sure can. Can you tell me what day you want to travel and where you are headed? Sentence9: Hello! I need helping finding a train departing from cambridge. Can you help me with this? Sentence10: You are welcome. Have a great day. Bye. Sentence11: Book for one person only Sentence12: Yes, I need to get to Ely on Sunday for a 15:15 appointment. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION:
Answer: (A) User