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.

Ex 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: 'breathing i want to find a resaurant in barnwell'
System: 'The Wheatsheaf is an outstanding restaurant. It's in the Barnwell part of town.'
User: 'phone number please'
System: 'The phone number of the Wheatsheaf is 01223812196.'
User: 'what type of food'
System: 'The Wheatsheaf is a great restaurant.'
User: 'what type of food'
System: 'The Wheatsheaf is an outstanding restaurant.'
User: 'what type of food'
System: 'The Wheatsheaf serves traditional food.'
User: 'thank you good bye'


Ex Output:
Don't Care


Ex 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 a texmex restaurant'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'ah expensive'
System: 'Are you looking for somewhere near a particular venue? For example, the Book and Print Gallery, the Museum Of Technology, or Clare Hall.'
User: 'ah no i just need the address phone number and post code'
System: 'Are you looking for somewhere near a particular venue? For example, King's College, the People's Portraits Exhibition, or the Lammas Land Park.'
User: 'no'
System: 'Nanna Mexico, which serves mexican and tex mex food, is an outstanding restaurant. It's in the expensive price range.'
User: 'ah whats the address phone number and post code'
System: 'Nanna Mexico is on 33 Regent Street, its phone number is 01223902150 and it's in the area with the postcode CB2 1AB.'
User: 'thank you good bye'


Ex Output:
Expensive


Ex 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 in the castle hi hill area'
System: 'What part of town do you have in mind? For example, something in the Arbury, Newnham, or riverside area.'
User: 'castle hill'
System: 'What type of food would you like? For example, Cafe food, International, or Mediterranean.'
User: 'cafe'
System: 'What type of food would you like? For example, East asian, or Greek.'
User: 'do you have anything else im looking for a cheap restaurant'
System: 'The Dojo Noodle Bar is an outstanding restaurant and it's in the Girton part of town. It's in the cheap price range.'
User: 'okay give me the address'
System: 'The Dojo Noodle Bar is located on Miller's Yard.'
User: 'and the phone number'
System: 'The phone number of the Dojo Noodle Bar is 01223363471.'
User: 'thank you goodbye'


Ex Output:

Cheap