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: I have 23 places. What area would you prefer to be in? Sentence2: There is Cafe Jello Gallery in the west, Cambridge Artworks in the east and Broughton House Gallery in the centre. Does any of those sound appealing? Sentence3: Just the price range and postal code please. Sentence4: Cafe jello gallery postcode is cb30af and the entrance is free, is there anything else I can do for you? Sentence5: Here is the address 529 Newmarket Road Fen Ditton. Sentence6: Do you have an attraction type preference? Sentence7: You're welcome! Enjoy your visit! Sentence8: that is it. thank you for helping me Sentence9: Yes, I would like to see a museum. Can you tell me the postcode and entrance fee for it? Sentence10: I have no particular area preference. Can you list a few for me to select from? Sentence11: Yes could I have their postcode and entrance fee? Sentence12: Can you give me more information about Yu Garden. Sentence13: Of course! It is a chinese cuisine restaurant located in the east. Anything else you would like to know? Sentence14: I am traveling to Cambridge and excited about seeing local tourist attractions, can you help? Sentence15: I am also looking for the restaurant Yu Garden. Sentence16: Their price range is expensive and the postcode is cb58pa. Are you sure that is all you needed? Question: Who has spoken the sentence 13? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: The Lensfield does have free wifi. Their phone number is 01223355017 and their postcode is cb21en. Sentence2: First, can you give me the phone number, postcode, and tell me if they have internet? Sentence3: Is it a guesthouse? I'd really like a guesthouse with 3 stars, if possible. Sentence4: That is perfect, thank you for your help. Goodbye. Sentence5: Unfortunately, I can't find a 3-star expensive guesthouse with free parking. Would you like me to find something else? Sentence6: Sure, The Lensfield hotel is in the south. It is very nice, can I book it for you? Sentence7: Express by Holiday Inn Cambridge is an expensive hotel with free parking. Their phone number is 01223866800. Sentence8: I'm looking for an expensive place to stay with free parking please. Sentence9: Let us know if you have any more questions! Sentence10: How about a hotel instead of a guesthouse? Question: Who has spoken the sentence 2? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Mexican sounds good. Sentence2: Great. Have a great mexican meal! Sentence3: I'm looking for a nice, expensive restaurant on the south side of town. Sentence4: I have successfully booked it. Your table will be reserved for 15 minutes starting at 7:15:PM. Your reference number is X4TB06R2 . Sentence5: Can you find out if any of then can take a reservation at 7:15 pm on Wednesday for 8 people? Sentence6: I have 5 restaurants that meet that criteria. Are you looking for a certain type of food? Sentence7: Perfect! Thank you! Sentence8: I see that out of the five restaurants, four are able to accommodate your reservation. Would you prefer Chinese, Italian, Indian or Mexican cuisine? Question: Who has spoken the sentence 7? (A) User (B) System

SOLUTION:
Answer: (B) System