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 an american restaurant in a cheap price range'
System: 'Gourmet Burger  is a great restaurant, it serves american food and it's in the cheap price range.'
User: 'whats the phone number'
System: 'The phone number of Gourmet Burger  is 01223312598. The price for main courses ranges from 3 pounds 95 to 8 pounds 45.'
User: 'cough'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'whats the ph phone number'
System: 'The phone number of Gourmet Burger  is 01223312598.'
User: 'of the area'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'what area is it in'
System: 'Gourmet Burger  is in the central part of town.'
User: 'thank you goodbye'

Cheap

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: 'hi uh im looking for a seafood restaurant and i dont care about the price range'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'uh seafood restaurant'
System: 'Loch Fyne, which serves seafood, is a great restaurant.'
User: 'can i have the address and the postcode of the venue'
System: 'Loch Fyne, which serves seafood, is an outstanding restaurant.'
User: 'the address and postcode'
System: 'Loch Fyne, which is in the area with the postcode CB2 1QY, is located on 37 Trumpington Street.'
User: 'uh thank you goodbye'
System: 'Loch Fyne is an outstanding restaurant.'
User: 'uh thank you goodbye'

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 cafe food restaurant'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'i do not care'
System: 'Let me confirm. You don't care about the price range. You are looking for a venue.'
User: 'yes'
System: 'Are you looking for somewhere near a particular venue? For example, Byard Art, the Regency Gallery, or the Whipple Museum.'
User: 'i do not care'
System: 'Let me confirm. You don't care about the location and you are looking for a venue.'
User: 'yes'
System: 'Carringtons is a great cafe and an outstanding restaurant. It serves cafe food and english food.'
User: 'what is the phone number and area of the venue'
System: 'The phone number of Carringtons is 01223361792.'
User: 'what is the area of the venue'
System: 'Carringtons is in the central part of town.'
User: 'thank you good bye'


Don't Care