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: 'i want to find a pub food restaurant and it should be in the moderate price range'
System: 'Are you looking for somewhere near a particular venue? For example, Artworks, the Book and Print Gallery, or the Whipple Museum.'
User: 'no'
System: 'The Lion and Lamb is an outstanding restaurant. It serves pub food. It's in the moderate price range.'
User: 'can i get the address phone number and the area'
System: 'The Lion and Lamb is on High Street, Milton and its phone number is 01223860202.'
User: 'thank you good bye'


SOLUTION: Moderate

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: 'system i am looking for a moderately priced restaurant in the newnham area'
System: 'The Red Bull, which is in the Newnham part of town, is a great restaurant. It's in the moderate price range.'
User: 'whats the address and phone number of the venue'
System: 'The Red Bull is on 11 Barton Road, Newnham and its phone number is 01223902124.'
User: 'what was the address again'
System: 'The Red Bull is on 11 Barton Road, Newnham.'
User: 'thank you good bye'


SOLUTION: Moderate

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 an english restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'it does not matter'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, the People's Portraits Exhibition, or Saint John's College.'
User: 'no'
System: 'Carringtons is an outstanding cafe and a great restaurant and it serves cafe food and english food.'
User: 'what is the price range'
System: 'Carringtons is in the moderate price range. The price for main courses ranges from 4 pounds 25 to 6 pounds 25 and the price for a cappuccino is 1 pound 95.'
User: 'what is the address'
System: 'Carringtons is located on 23 Market Street.'
User: 'sil'
System: 'Carringtons is an outstanding restaurant.'
User: 'what is the address'
System: 'Carringtons is on 23 Market Street.'
User: 'thank you goodbye'


SOLUTION:
Don't Care