TASK DEFINITION: The input is a conversation between an automated system and a user looking for suggestions for pubs, restaurants and coffee shops in Cambridge. In the dialogue, the user may provide some criteria for the type of place they want such as price range, cuisine, etc. Given such a dialogue, output the price range the user if looking for which can take one of four values: Cheap, Moderate, Expensive and Don't Care. Output cannot be any other value than the four values. Note that if the user asks for the prices of items provided at a pub, restaurant or coffee shop but doesn't mention the price range they are looking for then the correct classification will be Don't Care. If the user does not mention a particular price, the correct classification will be Don't Care.
PROBLEM: System: 'Thank you for calling the Cambridge Information system. Your call will be recorded for research purposes. You may ask for information about a place to eat, such as a restaurant, a pub, or a cafe. How may I help you?'
User: 'im looking for a restaurant in the kings hedges area'
System: 'The Ranch, which is in the King's Hedges part of town, is a great restaurant.'
User: 'whats the price'
System: 'The Ranch is an outstanding venue. The price for main courses ranges from 6 pounds to 12 pounds 50.'
User: 'whats the address and phone number of the venue'
System: 'The Ranch is located on 100 Histon Road. Its phone number is 01223322772.'
User: 'thank you good bye'


SOLUTION: Don't Care

PROBLEM: System: 'Thank you for calling the Cambridge Information system. Your call will be recorded for research purposes. You may ask for information about a place to eat, such as a restaurant, a pub, or a cafe. How may I help you?'
User: 'unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'cheap'
System: 'Are you looking for somewhere near a particular venue? For example, the Broughton House Gallery, Castle Galleries, or Hughes Hall.'
User: 'city center'
System: 'What type of food would you like? For example, Continental, Indian, or International.'
User: 'it doesnt matter if city center'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, the Folk Museum, or the Scott Polar Museum.'
User: 'it doesnt matter'
System: 'La Raza is a great restaurant. It's in the central part of town. It's in the cheap price range.'
User: 'it dunt uh city center'
System: 'Are you looking for a pub or a restaurant?'
User: 'restaurant'
System: 'La Raza is a great restaurant, it's in the central part of town and it's in the cheap price range.'
User: 'ok what is the address phone number'
System: 'La Raza is on 4-6, The Basement, Rose Crescent and its phone number is 01223464550.'
User: 'um what is the price'
System: 'La Raza is an outstanding venue. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'thank you goodbye'


SOLUTION: Cheap

PROBLEM: System: 'Thank you for calling the Cambridge Information system. Your call will be recorded for research purposes. You may ask for information about a place to eat, such as a restaurant, a pub, or a cafe. How may I help you?'
User: 'im looking for pub food restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'english restaurant with a moderate price range'
System: 'What part of town do you have in mind? For example, New Chesterton, or Romsey.'
User: 'i dont care the location'
System: 'The Lion and Lamb is a great restaurant, it serves pub food and it's in the moderate price range.'
User: 'can i get the address the phone number'
System: 'The Lion and Lamb is located on High Street, Milton and its phone number is 01223860202.'
User: 'and the price of the venue'
System: 'The Lion and Lamb is an outstanding venue. The price for main courses ranges from 5 pounds to 15 pounds and the price for a cheapest pint of beer is 3 pounds.'
User: 'can i get the address and phone number'
System: 'The Lion and Lamb is located on High Street, Milton and its phone number is 01223860202.'
User: 'background noise'
System: 'The Lion and Lamb is an outstanding restaurant.'
User: 'can i get the address'
System: 'The Lion and Lamb is on High Street, Milton.'
User: 'can i get the phone number'
System: 'The phone number of The Lion and Lamb is 01223860202.'
User: 'background noise'
System: 'The Lion and Lamb is a great restaurant.'
User: 'can i get the phone number'
System: 'The phone number of The Lion and Lamb is 01223860202.'
User: 'thank you good bye'


SOLUTION:
Moderate