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: 'im looking for a mexican or tex mex restaurant in the expensive price range'
System: 'Are you looking for somewhere near a particular venue? For example, Little Saint Mary's, the Scott Polar Museum, or Williams Art and Antiques.'
User: 'no'
System: 'Nanna Mexico, which serves mexican and tex mex food, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address phone number and price'
System: 'Nanna Mexico is on 33 Regent Street and its phone number is 01223902150. The price for main courses ranges from 5 pounds 35 to 15 pounds 50 and the price for a cappuccino is 2 pounds 95.'
User: 'thank you good bye'


Output: Expensive


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: 'im looking for a turkish restaurant in the expensive price range'
System: 'What part of town do you have in mind? For example, Chesterton, or Fen Ditton.'
User: 'it doesnt matter'
System: 'The Agora, which serves turkish food, is a great restaurant. It's in the expensive price range.'
User: 'whats the address'
System: 'The Agora is located on 4 King's Parade. The price for main courses ranges from 9 pounds to 11 pounds 50 and the price for a cappuccino is 2 pounds 25.'
User: 'whats the phone number'
System: 'The phone number of The Agora is 01223308448.'
User: 'whats the post code'
System: 'The Agora is in the area with the postcode CB2 1SJ.'
User: 'thank you goodbye'


Output: Expensive


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: 'im looking for a traditional restaurant with an expensive price range'
System: 'The Riverside Restaurant is a great restaurant. It serves traditional food. It's in the expensive price range.'
User: 'sil'
System: 'The Riverside Restaurant, which serves traditional food, is an outstanding restaurant. It's in the expensive price range.'
User: 'i need the know the address and the area'
System: 'The Riverside Restaurant is on University Centre, Granta Place. Its phone number is 01223902174. The price for main courses ranges from 14 pounds 95 to 16 pounds 95.'
User: 'can i have the address'
System: 'The Granta Bar is on University Centre, Granta Place.'
User: 'can i have information about the area'
System: 'The Granta Bar is an outstanding restaurant.'
User: 'thank you good bye'



Output: Expensive