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 try 15:30 on saturday and need a reference number thank you. Sentence2: I'd be happy to help you find something. Are you looking for something in town centre? There are cinemas, colleges, concert halls just to name a few. Sentence3: I'd love to try a local restaurant Sentence4: Just do what I say! I don't care what you choose! Give me the necessary information too. Then, get me a restaurant in the east that's expensive north indian food Sentence5: How about expensive restaurants that serve Indian food in the same area? Sentence6: Booking was successful. The table will be reserved for 15 minutes. Reference number is : MKRUJ1BR . Is there anything else I can do for you? Sentence7: I apologize but I was not able to book for that time. Would you like me to try another time slot? Sentence8: Try the Cambridge Museum of Technology which is a museum. The entrance fee is 5 pounds and postcode is cb58ld. There are no expensive North Indian restaurants in the east. Sentence9: First, I need an attraction in the east. Can you choose one and get me the entrance fee, postcode, and attraction type? Then I'd like an expensive restaurant in the east. Sentence10: I'm sorry, that's a lot of information for just one response. There are 10 attractions in the east - do you care what sort? Sentence11: We are happy to help. Thank you for using our service. Have a great day! Sentence12: I want the Pipasha for 1 at 16:30 on Saturday. Sentence13: We have many restaurants in town. What type of cuisine are you looking for, and what's your budget like? Sentence14: For expensive restaurants with Indian food, we have Pipasha, and the Sitar Tandoori. Sentence15: Great! That is everything I needed. Thank you! Sentence16: I'm looking for someplace to go in town. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes. Book for 2 people for 4 nights on thursday and I'll need the reference number too please Sentence2: Okay, great! Enjoy your day. Sentence3: I have your table for 2 booked at the Bedouin. Would you like anything else? Sentence4: Your booking was successful. Your reference number is Q5BKFIC3 Sentence5: The reference number is 0LG9G1BT . Is there anything else I can help you with? Sentence6: We have one restaurant, the Bedouin. Would you like me to make you a reservation? Sentence7: I need the reference number too please. Sentence8: 2 people for Thursday at 19:00 please Sentence9: I was unable to find anything matching that. Would you like to try again? Sentence10: How about African food in general? Sentence11: yes please. Sentence12: The Limehouse is a moderately priced guesthouse on the north side of Cambridge. They are a 4-star establishment and offer free parking and Internet. Would you like to make a reservation? Sentence13: Thank you. Can you find us some good eats, too? We'd like something moderately priced that serves South African cuisine. Sentence14: I would be happy to book a reservation for 2. What day are you looking at and time? Sentence15: I am looking for a hotel in the Cambridge area called the limehouse. Sentence16: Thank you that is all I need. Question: Who has spoken the sentence 14? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Have a great day! Goodbye! Sentence2: I also need help finding a place to go. Are there any cinemas I could visit? Sentence3: Yes I will need the reference number. Sentence4: OK, I actually booked you on TR7621. That's the 12:40 on Tuesday to Stansted. Your reference number is R14O2PJF . Sentence5: Okay great! Where are you departing from? Sentence6: Will you be needing a reference number? Sentence7: Their postcode is cb11ps. Could I help you with anything else today? Sentence8: I'll be departing from Cambridge. Sentence9: Yes, please book it. Sentence10: No thank you. Sentence11: All I need is the postcode. Sentence12: I can go ahead and book that for you. Sentence13: the vue cinema is in the city center. would you like to purchase tickets or know more? Sentence14: I have train TR0188 that leaves at 12:40 and arrives at 13:08, will that work for you? Sentence15: I need to take a train to Stansted airport, arriving no later than 13:30. Sentence16: Does TR0188 leave on Tuesday? I need a booking for 2 people on Tuesday. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION:
Answer: (B) System