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.

[EX Q]: 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: 'uh im looking for a cheap restaurant in the castlehill area'
System: 'What part of town do you have in mind? For example, something in the Newnham, riverside, or Trumpington area.'
User: 'in the uh castlehill in area'
System: 'What type of food would you like? For example, Greek, Japanese, or Seafood.'
User: 'uh dont care'
System: 'Blue Spice, which is in the expensive price range, is a great restaurant.'
User: 'whats the address'
System: 'Blue Spice is located on Unit F1, Cambridge Leisure Park, Clifton Way.'
User: 'the type of food'
System: 'Blue Spice serves indian food.'
User: 'thank you goodbye'

[EX A]: Expensive

[EX Q]: 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: 'looking for a spanish restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, Downing College, or Emmanuel College.'
User: 'i dont care'
System: 'La Raza, which serves spanish food, is a great restaurant.'
User: 'may i have the address and phone number please'
System: 'La Raza is located on 4-6, The Basement, Rose Crescent. Its phone number is 01223464550.'
User: 'thank you good bye'

[EX A]: Don't Care

[EX Q]: 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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe.'
User: 'restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'doesnt matter'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'doesnt matter but restaurant in barnwell'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'moder'
System: 'What part of town do you have in mind? For example, New Chesterton, or Romsey.'
User: 'barnwell'
System: 'What part of town do you have in mind? For example, something in the Chesterton, Girton, or New Chesterton area.'
User: 'barnwell'
System: 'What part of town do you have in mind? For example, Barnwell, or Girton.'
User: 'barnwell'
System: 'The Wheatsheaf is an outstanding restaurant. It's in the Barnwell part of town. It's in the moderate price range.'
User: 'can i have the address'
System: 'The Wheatsheaf is on Stow Road, Stow-Cum-Quy.'
User: 'can i have the postcode'
System: 'The Wheatsheaf is in the area with the postcode CB5 9AD.'
User: 'thank you goodbye'

[EX A]:
Don't Care