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: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'i would like a cheap restaurant in the fen ditton area'
System: 'The Milton Park English and Thai Restaurant, which is in the Fen Ditton part of town, is a great restaurant. It's in the cheap price range.'
User: 'may i have the phone number and address'
System: 'The Milton Park English and Thai Restaurant is on Milton Park Golf Course, Ely Road, Milton and its phone number is 01223864602.'
User: 'thank you good bye'

[EX A]: Cheap

[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: 'looking for a mediterranean restaurant in the moderate price range'
System: 'Nando's Restaurant, Saint Andrews Street, which serves mediterranean food, is a great restaurant. It's in the moderate price range.'
User: 'whats the address'
System: 'Nando's Restaurant, Saint Andrews Street is located on 33-34 Saint Andrews Street.'
User: 'whats the phone number'
System: 'The phone number of Nando's Restaurant, Saint Andrews Street is 01223327908.'
User: 'whats the postcode'
System: 'Nando's Restaurant, Saint Andrews Street is in the area with the postcode CB2 3AR.'
User: 'thank you good bye'

[EX A]: Moderate

[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 cafe'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'dont care'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'do not care'
System: 'What type of food would you like? For example, French, International, or Italian.'
User: 'cafe'
System: 'Are you looking for somewhere near a particular venue? For example, Hughes Hall, Jesus College, or the Regency Gallery.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, New Chesterton, or riverside area.'
User: 'do not care'
System: 'What type of food would you like? For example, International, Mediterranean, or Seafood.'
User: 'do not care'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, King's Hedges, or Romsey area.'
User: 'international cafe'
System: 'There is no cafe serving international food.'
User: 'do not care'
System: 'There is no cafe serving international food.'
User: 'american cafe'
System: 'There is no cafe serving american food.'
User: 'what kind of food does a cafe serve'
System: 'There is no cafe serving american food.'
User: 'um'
System: 'Would you like an american food, or you don't care?'
User: 'cafe'
System: 'Would you like an american food, or you don't care?'
User: 'a cafe food restaurant male voice talking over last word'
System: 'Would you like american or X food?'
User: 'thank you good bye'

[EX A]:
Don't Care