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: How about an expensive restaurant that serves British food? Sentence2: Cineworld sounds perfect. What's their postal code? Sentence3: The postal code is cb17dy. Can I get you anything else? Sentence4: There are six expensive British restaurants in Cambridge. Do you have a preferred section of town? Sentence5: Have a good time! Sentence6: It's all new to me. Could you recommend one? Sentence7: Sure thing, we have the cineworld cinema located at Cambridge leisure park, Clifton way. Sentence8: Absolutely, I recommend the Cambridge Chop House at 1 Kings Parade in the centre of town. This is a highly recommended British experience by locals and tourists a-like. Sentence9: No, that'll be all. Thank you for all of your help today. Sentence10: I am sorry but there are no restaurants matching your requests. Would you like me to search for a different food type? Sentence11: Great. Could you also help me find a cinema in the south of town? Sentence12: Hello, I am trying to locate a restaurant that serves northern European food, and I would prefer a more elegant setting. Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: There are 5 colleges in the west. The entrance fees are free or 2.50 pounds. Do you have a preference? Sentence2: I also need a taxi that will get me from the college to the restaurant by 16:45. Sentence3: I think it would be great to try European food. Do you think they would accept a reservation for a party of 7? Sentence4: Yes, for 7 people at 16:45 on Monday. I need a reference number. I need a taxi to commute also a place to visit as well as car type Sentence5: I'm also looking for a college to visit in the west. Sentence6: Okay, you are welcome and enjoy your time in Cambridge! Sentence7: Yes! Would you like to book a table? Sentence8: pick one that is free and give me the address and phone number Sentence9: galleria serves european food in the centre. It is of moderate price. Would you like a phone number or the address? Sentence10: Booking completed! Booked car type : black honda Contact number : 07095717275 Sentence11: Thank you. That's all I need for now. Sentence12: magdalene college is on magdalene street, and their number is 01223332138. What else can I help with? Sentence13: Your table at Galleria is reserved, and your reference number is XM58B7FS . Now, let's see about your other needs - what type of place would you like to visit? Sentence14: Please find a restaurant called Galleria. Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION:
Answer: (B) System