Instructions: 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.
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 that serves fast food'
System: 'Are you looking for somewhere near a particular venue? For example, Corpus Christi, Magdalene College, or the Museum of Classical Archaeology.'
User: 'no'
System: 'Burger King, which serves fastfood, is an outstanding restaurant.'
User: 'sil'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, New Chesterton, or Romsey area.'
User: 'no'
System: 'Burger King, which serves fastfood, is a great restaurant.'
User: 'sil'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'what is its address'
System: 'Burger King is located on The Grafton Centre.'
User: 'what is its phone number'
System: 'The phone number of Burger King is 01223322666.'
User: 'what is its address'
System: 'Burger King is on The Grafton Centre.'
User: 'thank you goodbye'

Output:
Don't Care