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 Q]: 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: 'expensive restaurant in castle hill area'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'expensive'
System: 'What type of food would you like? For example, Drinks and snacks only, pub, or French.'
User: 'any'
System: 'What part of town do you have in mind? For example, something in the Fen Ditton, Girton, or riverside area.'
User: 'castle hill area'
System: 'What type of food would you like? For example, Chinese take away, Italian, or Thai.'
User: 'italian'
System: 'What part of town do you have in mind? For example, something in the riverside, Romsey, or Trumpington area.'
User: 'castle hill area'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'expensive'
System: 'Ask is a great restaurant, it serves italian food and it's in the expensive price range.'
User: 'is it in the castle hill area'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Castle Hill, or Newnham area.'
User: 'castle hill'
System: 'Are you looking for somewhere near a particular venue? For example, Little Saint Mary's, Magdalene College, or Pembroke College.'
User: 'no'
System: 'Ask is an outstanding restaurant, it serves italian food and it's in the expensive price range.'
User: 'what is the phone number'
System: 'The phone number of Ask is 01223364917.'
User: 'thank you'
System: 'Ask is a great restaurant.'
User: 'thank you goodbye'

[EX A]: Expensive

[EX Q]: 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 cherry hinton'
System: 'The Dojo Noodle Bar is a great restaurant, it's in the Girton part of town and it's in the cheap price range.'
User: 'im looking for a restaurant in cherry hinton'
System: 'Spice Merchants, which is in the Cherry Hinton part of town, is an outstanding restaurant. It's in the cheap price range.'
User: 'can i get the phone number and the address'
System: 'Spice Merchants is located on 60 Trumpington Road and its phone number is 01223843436.'
User: 'thank you goodbye'

[EX A]: Don't Care

[EX Q]: 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: 'noise sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'restaurant new chesterton'
System: 'Are you looking for a venue in the Chesterton or New Chesterton area?'
User: 'new chesterton area'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant.'
User: 'unintelligible the phone number and address'
System: 'Hakka is located on 24 Milton Road and its phone number is 01223568988.'
User: 'of the venue'
System: 'Hakka is an outstanding restaurant.'
User: 'address and phone number'
System: 'Hakka is located on 24 Milton Road and its phone number is 01223568988.'
User: 'price range'
System: 'Hakka is an outstanding venue. The price for main courses ranges from 5 pounds to 13 pounds.'
User: 'thank you good bye'

[EX A]:
Don't Care