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: 'mexican tex mex restaurant in the expensive price range'
System: 'Nanna Mexico is a great restaurant. It serves mexican and tex mex food. It's in the expensive price range.'
User: 'whats the phone number'
System: 'The phone number of Nanna Mexico 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: 'whats the postcode'
System: 'Nanna Mexico is 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 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: 'what is the phone number'
System: 'The phone number of the Dojo Noodle Bar is 01223363471.'
User: 'what is the postcode'
System: 'The Dojo Noodle Bar is in the area with the postcode CB2 1RQ.'
User: 'thank you good bye'


Ex Output:
Cheap


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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'im looking for a japanese restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'it doesnt matter'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, the Technology Museum, Downing College, or Williams Art and Antiques.'
User: 'no'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is a great restaurant.'
User: 'i dont care'
System: 'Yippee Noodle Bar is a great restaurant and it serves chinese take away and japanese food.'
User: 'okay can i have the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111 and it's in the moderate price range.'
User: 'okay than and what is the average price'
System: 'Yippee Noodle Bar is an outstanding venue. The price for main courses ranges from 7 pounds 30 to 11 pounds 40.'
User: 'okay thank you goodbye'


Ex Output:

Don't Care