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: Consider 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: 'unitelligible'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'im looking for a northern european restaurant and it should have a cheap price range'
System: 'Polonia is an outstanding restaurant, it serves northern european food and it's in the cheap price range.'
User: 'whats the address'
System: 'Polonia is located on 231 Chesterton Road. The price for main courses ranges from 1 pound 50 to 7 pounds 50.'
User: 'whats the phone number'
System: 'The phone number of Polonia is 01223902138.'
User: 'thank you goodbye'


Output: Cheap


Input: Consider 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: 'hi im looking for a spanish restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'i dont care'
System: 'La Raza, which serves spanish food, is a great restaurant. It's in the cheap price range.'
User: 'can i get the address the phone number and the area please'
System: 'La Raza is in the central part of town and its phone number is 01223464550.'
User: 'thank you good bye'


Output: Don't Care


Input: Consider 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: 'background noise'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'cheap'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'cheap restaurant in the girton area'
System: 'The Dojo Noodle Bar, which is in the Girton part of town, is a great restaurant. It's in the cheap price range.'
User: 'a cheap restaurant in the girton area'
System: 'The Dojo Noodle Bar, which is in the Girton part of town, is an outstanding restaurant. It's in the cheap price range.'
User: 'background noise'
System: 'The Dojo Noodle Bar is an outstanding restaurant, it's in the Girton part of town and it's in the cheap price range.'
User: 'thank you good bye'



Output: Cheap