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: 'american restaurant'
System: 'What kind of price range are you looking for? For example, free.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, Magdalene College, the People's Portraits Exhibition, or the Saint Barnabas Press Gallery.'
User: 'i dont care'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Barnwell, or King's Hedges area.'
User: 'i dont care'
System: 'What type of food would you like? For example, Northern european, Chinese, or Thai.'
User: 'american'
System: 'What type of food would you like? For example, Indian, Seafood, or Traditional.'
User: 'american'
System: 'What type of food would you like? For example, Chinese, Continental, or International.'
User: 'thank you good bye'
System: 'What type of food would you like? For example, Contemporary, International, or Italian.'
User: 'thank you good bye'

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: 'sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'um a restaurant in f fen ditton'
System: 'Can I help you with anything else?'
User: 'i need a restaurant in fen ditton'
System: 'The Lion and Lamb, which is in the Fen Ditton part of town, is an outstanding restaurant.'
User: 'is it moderately priced'
System: 'The Lion and Lamb is in the moderate price range.'
User: 'what is the address'
System: 'The Lion and Lamb is located on High Street, Milton.'
User: 'i um what is the phone number'
System: 'The phone number of The Lion and Lamb is 01223860202.'
User: 'what is the price'
System: 'The Lion and Lamb is an outstanding venue. The price for main courses ranges from 5 pounds to 15 pounds and the price for a cheapest pint of beer is 3 pounds.'
User: 'thank you goodbye'

Example Output: Moderate

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 the cafe food restaurant'
System: 'Subway, which serves cafe food, is an outstanding restaurant.'
User: 'find should have a cheap price range'
System: 'Subway is a great restaurant, it serves cafe food and it's in the cheap price range.'
User: 'uh what is the address and post code'
System: 'Subway, which is in the area with the postcode CB1 2AD, is located on 40-42 Mill Road. The price for main courses ranges from 1 pound 99 to 5 pounds 60.'
User: 'thank you goodbye'

Example Output:
Cheap