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: 'international restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, Old Schools, or the Saint Barnabas Press Gallery.'
User: 'no'
System: 'Giraffe, which serves international food, is an outstanding restaurant.'
User: 'what is the address'
System: 'Giraffe is located on Christ's Lane.'
User: 'what are the prices at giraffe'
System: 'Giraffe is an outstanding venue. The price for main courses ranges from 6 pounds 95 to 14 pounds 95 and the price for a cappuccino is 2 pounds 10.'
User: 'thank you and good bye'

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: 'restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Museum of Classical Archaeology, Sidney Sussex College, or Primavera.'
User: 'barnwell area'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Cherry Hinton, or central area.'
User: 'barnwell'
System: 'The Wheatsheaf, which is in the Barnwell part of town, is an outstanding restaurant.'
User: 'whats the price'
System: 'The Wheatsheaf is an outstanding venue. The price for main courses ranges from 4 pounds to 13 pounds and the price for a cheapest pint of beer is 2 pounds 65.'
User: 'moder moderate price'
System: 'The Wheatsheaf, which is in the Barnwell part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the type of food'
System: 'The Wheatsheaf serves traditional food.'
User: 'and whats the address'
System: 'The Wheatsheaf is on Stow Road, Stow-Cum-Quy.'
User: 'address'
System: 'The Wheatsheaf is located on Stow Road, Stow-Cum-Quy.'
User: 'thank you goodbye'

Example Output: Moderate

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: 'yes im looking for an expensive restaurant in the romsey area'
System: 'The Backstreet Bistro, which is in the Romsey part of town, is a great restaurant. It's in the expensive price range.'
User: 'whats the address'
System: 'The Backstreet Bistro is on 2 Sturton Street.'
User: 'whats the price'
System: 'The Backstreet Bistro is a great venue. The price for main courses ranges from 10 pounds 95 to 14 pounds 25.'
User: 'thank you goodbye'

Example Output:
Expensive