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: No thank you. That is great. Sentence2: Have a good day! Sentence3: There are three british restaurants in the west. What price range are you considering? Sentence4: Thanks! Sentence5: I'm looking for meals under 30$ a person. I need to book for 3 at 16:15 on Wednesday. Sentence6: The restaurant Saint Johns Chop House is the only restaurant to your specifications with a moderate pricing. Would you like me to make a reservation? Sentence7: Your booking is successful and your reference number is CZT3LA0M . Is there anything else I can help you with? Sentence8: Yes please and I will need a reference number. Sentence9: I am looking for a German restaurant in the west. Sentence10: Enjoy your time! Sentence11: There are no German restaurants available in the west. Would you like to try a different area or different food type? Sentence12: How about one that serves british food instead? Question: Who has spoken the sentence 11? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: Can I get a taxi from Magdalene to Hakka, please? I need to make sure I get there for that reservation. Sentence2: May I suggest Hakka, a very nice Chinese Restaurant in the north part of town. Shall I provide you with more information? Sentence3: The post code is cb41jy. Can I help with anything else? Sentence4: You're welcome! Have a great day! Sentence5: You're welcome is there anything else I can help you with? Sentence6: What is their postcode? Sentence7: Your taxi is a blue volkswagen . The contact number is 07121936050 Sentence8: Yes, get me some more information on magdalene college please Sentence9: No but can I make a booking for 8 people at 18:30 on sunday. Sentence10: We have 9 expensive Chinese restaurants across town. Do you prefer a specfic part of town? Sentence11: Yes, I do. I would like it to be in the north. Sentence12: Thank you so much for your help Sentence13: I'm looking for a high scale chinese restaurant. Sentence14: I have made those reservations your reference number is 61KTQSEO . Sentence15: Great! Thanks for all your help today! Goodbye Sentence16: Yes their address is Magdalene Street and their telephone number is 01223332138. Question: Who has spoken the sentence 9? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: The west, please. Sentence2: No, you've been great. Thank you. Goodbye. Sentence3: I'm looking for a place to stay. I'd like a hotel, not a guesthouse, and I don't care about internet. Sentence4: Thank you. Goodbye. Sentence5: Bye, have a good day Sentence6: You are all set. The reference number is 12OOOWTR . Can I help you with anything else today? Sentence7: Do you have a specific area you would like to stay in? Sentence8: Your are welcome. I trust you will enjoy your visit. Sentence9: Great! Do you need information on the Cambridge Belfry, or would you like to book a room? Sentence10: I'd like the Cambridge Belfry please. Sentence11: I would like a room starting on Sunday for 4 nights. There will be 6 of staying. Sentence12: I can offer you the Huntingdon Marriott, which is expensive, or the Cambridge Belfry, which is cheap. Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION:
Answer: (B) System