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: '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: 'expensive restaurant'
System: 'What type of food would you like? For example, pub, Italian, or Spanish.'
User: 'fenditton area'
System: 'What type of food would you like? For example, Contemporary, Seafood, or Traditional.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, the Gallery at twelve A High Street, or the People's Portraits Exhibition.'
User: 'fenditton area'
System: 'Let me confirm. You don't care about the food. You are looking for a venue.'
User: 'expensive restaurant'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'yes'
System: 'Are you looking for somewhere near a particular venue? For example, Clare Hall, the Gallery at twelve A High Street, or the Lammas Land Park.'
User: 'no'
System: 'Blue Spice, which is in the expensive price range, is a great restaurant.'
User: 'no'
System: 'Blue Spice, which is in the expensive price range, is a great restaurant.'
User: 'address'
System: 'Blue Spice is on Unit F1, Cambridge Leisure Park, Clifton Way.'
User: 'phone number'
System: 'The phone number of Blue Spice is 01223413337.'
User: 'type of food'
System: 'Blue Spice is an outstanding restaurant.'
User: 'type of food'
System: 'Blue Spice is an outstanding restaurant.'
User: 'thank you good bye'

[EX A]: Expensive

[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: 'i need to find a pub with internet'
System: 'The Bakers, which has an internet connection, is an outstanding pub.'
User: 'whats the price range'
System: 'The Bakers is in the cheap price range.'
User: 'can you give me the address the phone number'
System: 'The Bakers is on 176 East Road and its phone number is 01223304121.'
User: 'does it allow children'
System: 'The Bakers allows children.'
User: 'goodbye thank you'

[EX A]:
Don't Care