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.

Example 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: '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'

Example Output: Don't Care

Example 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 an italian restaurant and it should have an expensive price range'
System: 'Are you looking for somewhere near a particular venue? For example, Great Saint Mary's Church, Jesus College, or the People's Portraits Exhibition.'
User: 'no particular venue'
System: 'Ask, which serves italian food, is an outstanding restaurant. It's in the expensive price range.'
User: 'that one please what is the address'
System: 'Ask is on 12 Bridge Street. The price for main courses ranges from 6 pounds 25 to 11 pounds 95 and the price for a glass of wine ranges from 4 pounds 85 to 6 pounds 5.'
User: 'what is the area'
System: 'Ask is in the riverside part of town.'
User: 'thank you goodbye'

Example Output: Expensive

Example 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: 'i want to find a moderately priced coffee shop'
System: 'Are you looking for somewhere near a particular venue? For example, the Lynne Strover Gallery, Old Schools, or the Saint Barnabas Press Gallery.'
User: 'i dont care about the area'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, Cherry Hinton, or Girton area.'
User: 'i dont care about the area'
System: 'Carringtons is an outstanding cafe, it's in the moderate price range and it's a great restaurant.'
User: 'whats the phone number and whats the type of food'
System: 'Carringtons serves cafe food and english food and its phone number is 01223361792. I can't hear you. Carringtons serves cafe food and english food and its phone number is 01223361792.'
User: 'thank you goodbye'

Example Output:
Moderate