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: 'im looking for a cheap restaurant in the cherry hinton area'
System: 'HK Fusion, which is in the Cherry Hinton part of town, is a great restaurant. It's in the cheap price range.'
User: 'what is the address'
System: 'HK Fusion is located on 21 Burleigh Street.'
User: 'what is the phone number'
System: 'The phone number of HK Fusion is 01223355909.'
User: 'what type of food do they serve'
System: 'HK Fusion serves chinese food.'
User: 'thank you good bye'

Example Output: Cheap

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 spanish restaurant in the cheap price range'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Girton, or Trumpington area.'
User: 'i dont care'
System: 'La Raza is an outstanding restaurant, it serves spanish food and it's in the cheap price range.'
User: 'ok what is the address price of the venue'
System: 'La Raza is located on 4-6, The Basement, Rose Crescent. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'ok thank you good bye'

Example Output: Cheap

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 restaurant in trumpington i dont care about the price range i need the address phone number and postcode'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'restaurant'
System: 'What part of town do you have in mind? For example, something in the Fen Ditton, New Chesterton, or Newnham area.'
User: 'trumpington'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'i dont care about the price range'
System: 'What type of food would you like? For example, Chinese take away, Mediterranean, or Spanish.'
User: 'mediterranean'
System: 'There is no restaurant in the Trumpington area and serving mediterranean food.'
User: 'spanish restaurant'
System: 'There is no restaurant in the Trumpington area and serving mediterranean food.'
User: 'take out restaurant'
System: 'There is no restaurant in the Trumpington area and serving mediterranean food.'
User: 'chinese restaurant'
System: 'The J Restaurant, which serves chinese food, is an outstanding restaurant.'
User: 'may i please get the address phone number and postcode'
System: 'The J Restaurant, which is in the area with the postcode CB2 1DP, is on 86, Regent Street. Its phone number is 01223307273.'
User: 'thank you goodbye'

Example Output:
Don't Care