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: 'i am looking for a pub with an internet connection'
System: 'The Bakers, which has an internet connection, is a great pub.'
User: 'ok what is the address phone number and area of the venue'
System: 'The Bakers is located on 176 East Road and its phone number is 01223304121.'
User: 'sil'
System: 'The Bakers is an outstanding pub. I can't hear you. The Bakers is an outstanding pub.'
User: 'hello'
System: 'The Bakers is an outstanding pub.'
User: 'what is the a'
System: 'The Bakers is in the riverside part of town.'
User: 'ok'
System: 'Can I help you with anything else?'
User: 'what is the phone number'
System: 'The phone number of The Bakers is 01223304121.'
User: 'wrong what is the address phone number'
System: 'The Bakers is located on 176 East Road and its phone number is 01223304121.'
User: 'ok what is the postcode'
System: 'The Bakers is in the area with the postcode CB1 1BG.'
User: 'what is the postcode'
System: 'The Bakers is in the area with the postcode CB1 1BG.'
User: 'ok'
System: 'Can I help you with anything else?'
User: 'thank you 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: 'hello i am looking for a moderately priced restaurant in barnwell area'
System: 'The Wheatsheaf, which is in the Barnwell part of town, is a great restaurant. It's in the moderate price range.'
User: 'ok so can you please tell me the address and phone number of the restaurant'
System: 'The Wheatsheaf is the only restaurant in the Barnwell area in the moderate price range.'
User: 'what is the address and the phone number'
System: 'The Wheatsheaf is located on Stow Road, Stow-Cum-Quy and its phone number is 01223812196.'
User: 'sil'
System: 'The Wheatsheaf is an outstanding restaurant.'
User: 'ok ah what types of food'
System: 'The Wheatsheaf serves traditional food.'
User: 'ok what type of food unitelligible'
System: 'The Wheatsheaf serves traditional food.'
User: 'ok thank you good bye'

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: 'um im looking for a coffee shop in griton'
System: 'What type of food would you like? For example, Fastfood, Greek, or Middleeastern.'
User: 'um a coffee shop'
System: 'What type of food would you like? For example, Greek, International, or Middleeastern.'
User: 'international'
System: 'There is no cafe serving international food.'
User: 'uh'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Girton, or King's Hedges area.'
User: 'im looking for a coffee shop'
System: 'There is no cafe serving international food.'
User: 'thank you good bye'

Example Output:
Don't Care