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 an american restaurant in a cheap price range'
System: 'Gourmet Burger  is a great restaurant, it serves american food and it's in the cheap price range.'
User: 'whats the phone number'
System: 'The phone number of Gourmet Burger  is 01223312598. The price for main courses ranges from 3 pounds 95 to 8 pounds 45.'
User: 'cough'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'whats the ph phone number'
System: 'The phone number of Gourmet Burger  is 01223312598.'
User: 'of the area'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'what area is it in'
System: 'Gourmet Burger  is in the central part of town.'
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: 'every money unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'restaurant'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'a restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'moderate moderate'
System: 'What type of food would you like? For example, Chinese take away, English, or Greek.'
User: 'im looking in the new chesterton area'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'chinese takeaway'
System: 'Would you like chinese or X food?'
User: 'sil'
System: 'Would you like chinese or X food?'
User: 'chinese chinese'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant. It serves chinese food and it's in the moderate price range.'
User: 'perfect can i have the phone number'
System: 'The phone number of Hakka is 01223568988.'
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: 'im looking for a restaurant in trumpington i dont care about the price range'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'i dont care'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'a restaurant'
System: 'What type of food would you like? For example, pub, Fusion, or Seafood.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, the Museum Of Technology, Christ's College, or the Museum of Archaelogy and Anthropology.'
User: 'no just in trumpington'
System: 'The Oak Bistro is a great restaurant and it's in the Trumpington part of town.'
User: 'may i have the address and what type of food'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'unintelligible'
System: 'Are you looking for a pub or a restaurant?'
User: 'i need the address'
System: 'Are you looking for a pub or a restaurant?'
User: 'a restaurant in trumpington'
System: 'The Oak Bistro, which serves contemporary food, is on 6 Lensfield Road.'
User: 'and what type of food'
System: 'The Oak Bistro serves contemporary food.'
User: 'and is it in trumpington'
System: 'The Oak Bistro is in the Trumpington part of town.'
User: 'background noise'
System: 'The Oak Bistro is an outstanding restaurant.'
User: 'is it in trumpington'
System: 'The Oak Bistro is in the Trumpington part of town.'
User: 'ok thank you good bye'

Example Output:
Don't Care