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 restaurant in the fen ditton area'
System: 'What type of food would you like? For example, American, Contemporary, or Seafood.'
User: 'i would like ec an expensive restaurant'
System: 'The Riverside Restaurant, which is in the Fen Ditton part of town, is a great restaurant. It's in the expensive price range.'
User: 'whats the address and the price'
System: 'The Riverside Restaurant is located on Cambridge Regional College, Newmarket Road. The price for main courses ranges from 21 pounds 95 to 25 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 greek restaurant in a moderate price range'
System: 'The Eraina Taverna, which serves greek food, is a great restaurant. It's in the moderate price range.'
User: 'and whats the phone number'
System: 'The phone number of the Eraina Taverna is 01223902126.'
User: 'and whats the address'
System: 'The Eraina Taverna is on 2 Free School Lane.'
User: 'ok thank you good bye'


Output: Moderate


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: 'a restaurant'
System: 'What type of food would you like? For example, East asian, pub, or Fusion.'
User: 'a greek restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Botanical Garden* Botanical Gardens, Clare College, or Hughes Hall.'
User: 'greek'
System: 'Are you looking for somewhere near a particular venue? For example, the Lynne Strover Gallery, Trinity College, or Wandlebury Country Park.'
User: 'no'
System: 'The Eraina Taverna, which serves greek food, is an outstanding restaurant.'
User: 'i need the price range'
System: 'The Eraina Taverna is a great venue. The price for main courses ranges from 6 pounds 50 to 13 pounds 95.'
User: 'the phone number and postcode of a greek restaurant'
System: 'The Varsity, which serves greek food, is a great restaurant.'
User: 'what is the phone number and postcode'
System: 'The phone number of the Varsity is 01223356060 and it's in the area with the postcode CB2 3AR.'
User: 'thank you goodbye'



Output: Don't Care