Instructions: 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.
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: 'coughing sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'hello'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'ah just a cheap restaurant'
System: 'What type of food would you like? For example, English, Indian, or Turkish.'
User: 'ah a restaurant'
System: 'What type of food would you like? For example, Greek, Indian, or International.'
User: 'any kind'
System: 'Are you looking for somewhere near a particular venue? For example, Christ's College, Clare College, or the Gallery at twelve A High Street.'
User: 'ah i just want cheap food in the romsey area'
System: 'The Kohinoor is an outstanding restaurant, it's in the Romsey part of town and it's in the cheap price range.'
User: 'no anywhere in romsey is fine'
System: 'The Kohinoor is a great restaurant and it's in the Romsey part of town. It's in the cheap price range.'
User: 'what was the name'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, Castle Galleries, or Kettle's Yard.'
User: 'um whats its uh'
System: 'What type of food would you like? For example, Mediterranean, Seafood, or Thai.'
User: 'phone number'
System: 'The phone number of The Kohinoor is 01223361435.'
User: 'could you repeat that please'
System: 'The Kohinoor is a great restaurant.'
User: 'please repeat the phone number'
System: 'The phone number of The Kohinoor is 01223361435.'
User: 'ok what kind of food do they serve'
System: 'The Kohinoor serves indian food.'
User: 'thank you good bye'

Output:
Cheap