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.

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 thai restaurant in the expensive price range'
System: 'The Wrestlers, which serves thai food, is a great restaurant. It's in the expensive price range.'
User: 'can you give me the address and the price of this venue'
System: 'The Wrestlers is located on 337 Newmarket Road. The price for main courses ranges from 8 pounds 50 to 9 pounds 70 and the price for a cheapest pint of beer is 3 pounds 30.'
User: 'uh thank you goodbye'

Expensive

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 chesterton in any price range'
System: 'Twenty-four is an outstanding restaurant and it's in the Chesterton part of town.'
User: 'whats the address and postcode'
System: 'Twenty-four, which is in the area with the postcode CB4 0FN, is on 24 Cambridge Science Park, Milton Road.'
User: 'thank you good bye'

Don't Care

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 seafood restaurant'
System: 'Loch Fyne, which serves seafood, is an outstanding restaurant.'
User: 'what is the phone number'
System: 'The phone number of Loch Fyne is 01223902103.'
User: 'what is the postcode'
System: 'Loch Fyne is in the area with the postcode CB2 1QY.'
User: 'thank you good bye'


Don't Care