Definition: 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: 'cough'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'restaurant'
System: 'What type of food would you like? For example, Contemporary, Middleeastern, or Spanish.'
User: 'chinese takeaway'
System: 'Would you like chinese or X food?'
User: 'chinese'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Girton, or riverside area.'
User: 'i dont care'
System: 'The J Restaurant, which serves chinese food, is a great restaurant.'
User: 'does it have takeaway'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'i dont care about the price range'
System: 'Are you looking for somewhere near a particular venue? For example, Old Schools, or the Saint Barnabas Press Gallery.'
User: 'no what is the address'
System: 'The J Restaurant is located on 86, Regent Street.'
User: 'what is the phone number'
System: 'The phone number of the J Restaurant is 01223307273.'
User: 'what is the postcode'
System: 'The J Restaurant is in the area with the postcode CB2 1DP.'
User: 'thank you goodbye'

Output:
Don't Care