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: 'im looking for a coffee shop in girton i dont care about the price range i want to know the address phone number and type of food'
System: 'The Auntie's Tea Shop is a great cafe and it's in the Girton part of town.'
User: 'what is the address phone number and type of food'
System: 'The Auntie's Tea Shop is on 1 Saint Mary's Passage and its phone number is 01223315641. The price for main courses ranges from 3 pounds to 8 pounds and the price for a cappuccino is 2 pounds.'
User: 'what is the type of food'
System: 'The Auntie's Tea Shop serves english food.'
User: 'thank you goodbye'

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: 'i need a mexican texmex restaurant'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'expensive price range'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'expensive'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'expensive'
System: 'Are you looking for somewhere near a particular venue? For example, the Book and Print Gallery, Corpus Christi, or Magdalene College.'
User: 'no'
System: 'Nanna Mexico is an outstanding restaurant and it serves mexican and tex mex food. It's in the expensive price range.'
User: 'i do need the address though'
System: 'Nanna Mexico is located on 33 Regent Street. The price for main courses ranges from 5 pounds 35 to 15 pounds 50 and the price for a cappuccino is 2 pounds 95.'
User: 'what is the phone number'
System: 'The phone number of Nanna Mexico is 01223902150.'
User: 'thank you good bye'

Example Output: Expensive

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: 'hi uh im looking for a seafood restaurant and i dont care about the price range'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'uh seafood restaurant'
System: 'Loch Fyne, which serves seafood, is a great restaurant.'
User: 'can i have the address and the postcode of the venue'
System: 'Loch Fyne, which serves seafood, is an outstanding restaurant.'
User: 'the address and postcode'
System: 'Loch Fyne, which is in the area with the postcode CB2 1QY, is located on 37 Trumpington Street.'
User: 'uh thank you goodbye'
System: 'Loch Fyne is an outstanding restaurant.'
User: 'uh thank you goodbye'

Example Output:
Don't Care