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: 'um could i find a traditional restaurant thats really expensive'
System: 'The Riverside Restaurant, which is in the expensive price range, is a great restaurant. It serves traditional food.'
User: 'alright can i get the address and postcode unintelligible please'
System: 'The Riverside Restaurant, which is in the area with the postcode CB2 1RU, is on University Centre, Granta Place.'
User: 'alright 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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'um unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'i am looking for a restaurant that serves pub'
System: '196 Meze Bar, which is in the Romsey part of town, is an outstanding restaurant.'
User: 'i am looking for a restaurant that serves pub food'
System: 'There is no restaurant in the Romsey area and serving thai food.'
User: 'lets start over please'
System: 'The Royal Standard, which is in the Romsey part of town, is a great restaurant.'
User: 'unintelligible'
System: 'Would you like a thai food, or you don't care?'
User: 'no i would like pub food'
System: 'The Kingston Arms, which is in the Romsey part of town, is a great restaurant. It serves pub food.'
User: 'what is its price range'
System: 'The Kingston Arms is in the cheap price range.'
User: 'what is its phone number'
System: 'The phone number of The Kingston Arms is 01223319414.'
User: 'what is its address'
System: 'The Kingston Arms is located on 33 Kingston Street.'
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: 'im looking for a cheap restaurant and it should be in the fen ditton area'
System: 'What type of food would you like? For example, Chinese, Thai, or Vegetarian.'
User: 'chinese'
System: 'What part of town do you have in mind? For example, something in the Barnwell, central, or Romsey area.'
User: 'fen ditton'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, Emmanuel College, or Sidney Sussex College.'
User: 'no'
System: 'HK Fusion, which serves chinese food, is a great restaurant. It's in the cheap price range.'
User: 'what is the phone number and address'
System: 'HK Fusion is on 21 Burleigh Street and its phone number is 01223355909.'
User: 'thank you goodbye'



Output: Cheap