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: It doesn't matter, I just need to get there. Sentence2: I am sorry but that time is not available. Would you like to try another time or day perhaps? Sentence3: There is a restaurant called restaurant alimentum that meets your criteria. Sentence4: It's all booked, you're looking for a black volkswagen and their contact number is 07263669645. Sentence5: As a matter of fact, it appears all of the gastropubs in Cambridge have closed. Is there anything else that interests you? Sentence6: Have a great day! Sentence7: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 8HB62Z6W . Is there anything else I can help you with? Sentence8: Sure. What time would you like to leave the restaurant? Sentence9: I am looking for a gastropub in the south. Sentence10: The address is cambridge leisure park, clifton way. Can I do anything else for you? Sentence11: Yes, I'd like to see some entertainment near the restaurant. Could you recommend me something good? Sentence12: Are there any Gastropubs in town? Sentence13: Yes, it is. Nusha is in the South as well. Sentence14: Yes, I would like to book a taxi from the restaurant to the entertainment. Sentence15: How about Tenpin in the south? Sentence16: Great, thank you so much for your help! That's everything I'll need today! Sentence17: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence18: That will do. Please get me their address. Sentence19: How about a modern European cuisine in the south area? Sentence20: Let's book that for 12:45 on Tuesday. It will be for 7 people. Sentence21: I'm sorry I couldn't find any Gastropubs in the South. Is there another type or area which you would like to try? Sentence22: Splendid! Thank you for all your help. That's all I need. Goodbye. Sentence23: Could you try 11:45 please? Sentence24: Is it located near Alimentum? I'm looking for something in the same area as the restaurant. Question: Who has spoken the sentence 4? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Yes I need a table for two. Sentence2: No there isn't. Sentence3: What day and time would you like the booking for? Sentence4: Zizzi Cambridge please Sentence5: I'm sorry could you confirm what restaurant you wanted to reserve a table for 2 at? Sentence6: That sounds good can you please give me the address and phone number? Sentence7: thanks for booking the reservation. Goodbye. Sentence8: How about this Tuesday at 17:00? I can check if they have any available tables. Sentence9: Sure thing! Zizzi Cambridge contact info: Phone: 01223365599 Postcode: cb21ab Address: 47-53 Regent Street. Would you like me to make a reservation there? Sentence10: Sure that sounds good. Sentence11: There are 5 cheap Italian restaurants. Is there a particular area you're interested in? Sentence12: Hello I am looking for a restaurant that serves Italian food and I need it to be cheap. Sentence13: How about something local, such as Zizzi Cambridge? It's located at the centre. Sentence14: I don't know. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: How about thai? Are there any thai restaurants in the west of the moderate price range? Sentence2: May I have the phone number for that place? Sentence3: The phone number is 012233236939. Sentence4: 7:00 , dop you need anything else ? Sentence5: What is the departure time? Sentence6: we still cant find any of that criteria. can we change location? Sentence7: I'm sorry, there aren't any moderately priced Thai restaurants in the West. Sentence8: I am trying to plan my trip in Cambridge and need a place to dine. I need something kind of moderate for price and on the west side. Sentence9: That is okay. An Indian restaurant would be great, which place do you recommend? Sentence10: I can't find any indian places in the moderately priced range. Can I try something else? Sentence11: kohinoor is a cheap indian restaurant located in the centre. Sentence12: We have three restaurants. Do you prefer British, Indian or Italian cuisine? Sentence13: maybe you could check any price range. Sentence14: Yes try a different location. Question: Who has spoken the sentence 12? (A) User (B) System

SOLUTION:
Answer: (A) User