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: 'noise sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'a japanese restaurant'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'sil'
System: 'What part of town do you have in mind? For example, Arbury, or central.'
User: 'dont care'
System: 'What part of town do you have in mind? For example, central, or Fen Ditton.'
User: 'dont care'
System: 'Yippee Noodle Bar is a great restaurant and it serves chinese take away and japanese food.'
User: 'dont care'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'what is the address'
System: 'Yippee Noodle Bar is a great venue. The price for main courses ranges from 7 pounds 30 to 11 pounds 40.'
User: 'what is the address'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'what is the address'
System: 'Yippee Noodle Bar is located on 7-9 King Street.'
User: 'what is the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111.'
User: 'what is the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111.'
User: 'what is the postal code'
System: 'Yippee Noodle Bar is in the area with the postcode CB1 1LH.'
User: 'what is the postal code'
System: 'Yippee Noodle Bar is in the area with the postcode CB1 1LH.'
User: 'thank you good bye'

Output:
Don't Care