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.

Example Input: 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 price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'im looking for a cheap restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Downing College, Gonville and Caius College, or the People's Portraits Exhibition.'
User: 'it should be in the romsey area'
System: 'Are you looking for somewhere near a particular venue? For example, Christ's College, the Regency Gallery, or Trinity College.'
User: 'no'
System: 'The Royal Standard, which is in the Romsey part of town, is an outstanding restaurant. It's in the cheap price range.'
User: 'what is the phone number'
System: 'The phone number of the Royal Standard is 01223902175.'
User: 'what type of food do they serve'
System: 'The Royal Standard serves indian food.'
User: 'thank you goodbye'

Example Output: Cheap

Example Input: 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 cherry hinton'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'doesnt matter'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'it doesnt matter'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, the Gallery at twelve A High Street, King's College, or the People's Portraits Exhibition.'
User: 'no'
System: 'Let me confirm. You don't care about the location and you are looking for a venue.'
User: 'yes'
System: 'Spice Merchants, which is in the Cherry Hinton part of town, is an outstanding restaurant.'
User: 'what is the address'
System: 'Spice Merchants is on 60 Trumpington Road.'
User: 'what is the phone number'
System: 'The phone number of Spice Merchants is 01223843436.'
User: 'thank you good bye'

Example Output: Don't Care

Example Input: 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 barnwell'
System: 'The Wheatsheaf, which is in the Barnwell part of town, is an outstanding restaurant.'
User: 'what is the address phone number and price'
System: 'The Wheatsheaf is on Stow Road, Stow-Cum-Quy and its phone number is 01223812196. The price for main courses ranges from 4 pounds to 13 pounds and the price for a cheapest pint of beer is 2 pounds 65.'
User: 'thank you good bye'

Example Output:
Don't Care