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: Are you sure? I'd really like some Austrian food. Sentence2: Yes I am sure. However, I do have a number of restaurants listed as serving European food. Would you like information on these? Sentence3: Thank you, let us know if you need any more help with anything. Sentence4: The phone number is 01223307030. The address is Quayside Off Bridge STreet and the postcode is cb58aq. Can I book a reservation? Sentence5: Yes please. I prefer the centre of town if possible. Sentence6: I would like for that to be cheap as well. Sentence7: No, I'm all set, thanks. Goodbye! Sentence8: Hi, I'm looking for a cheap austrian restaurant. Sentence9: Sounds good. Could you give me the number? Also, the address and postcode. Sentence10: The River Bar Steakhouse and Grill located in the Centre has cheap Modern European food. Would you care for that? Sentence11: There are a number of European options in the town centre. Do you have a price range? Sentence12: I'm sorry but I don't have any Austrian restaurants? Would you like to try a different cuisine? Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Yes as long as its in the same area and price range. I need a reference number too then please Sentence2: I'm looking for a cheap restaurant in the west area. Sentence3: I was unable to book that, would you like me to try something else? Sentence4: Okay that is all I need for now. Sentence5: I was able to get you into Thanh Binh. Your reference number is CLIBOL1Q . Sentence6: Let's go with La Margherita. Could you book a table for 2 people at 13:30 on Saturday? Sentence7: Thank you and goodbye. Sentence8: You have your choice of La Margherita, which serves Italian food, or Thanh Binh, which offers vietnamese cuisine. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Can you give me information about the riverboat georgina? Sentence2: book for one person please. Sentence3: I have TR5009 leaving at 18:40 and arriving by 19:08. Would you like me to book this for you? Sentence4: Looking to go to Stansted Airport on Sunday Sentence5: I need a train departing Cambridge and I need it to arrive by 21:00 Sentence6: The riverboat georgina is currently docked on the Northend at Cambridge Passenger Cruisers, Jubilee House, postcode cb43ax. Their phone is: 01223902091. I have no info on their entrance fee. Anything else? Sentence7: Have a good day. Sentence8: Where are you headed to? And what day are you traveling? Sentence9: No, thanks. You answered all my questions. Thanks so much. Have a good day. Goodbye. Sentence10: I was able to book that ticket for you. Your reference number is 642J5XG0 . Is there anything else I can do for you today? Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION:
Answer: (A) User