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: 'can i have an expensive east asian restaurant'
System: 'Shiraz, which serves east asian food, is a great restaurant. It's in the expensive price range.'
User: 'can i have the address please'
System: 'Shiraz is located on 84 Regent Street.'
User: 'can i have the phone number please'
System: 'The phone number of Shiraz is 01223902104.'
User: 'can i have the price range'
System: 'Shiraz is a great venue. The price for main courses ranges from 9 pounds to 14 pounds 15.'
User: 'background noise'
System: 'Shiraz is an outstanding restaurant, it serves east asian food and it's in the expensive price range.'
User: 'can i have the price venue'
System: 'Shiraz is an outstanding venue. The price for main courses ranges from 9 pounds to 14 pounds 15.'
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: 'a japanese restaurant'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'any'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'any kind'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'moderate moderate moderate moderate'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Girton, or Newnham area.'
User: 'dont care'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is a great restaurant. It's in the moderate price range.'
User: 'whats the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111.'
User: 'noise sil'
System: 'Yippee Noodle Bar is a great restaurant.'
User: 'and the address please'
System: 'Yippee Noodle Bar is located on 7-9 King Street.'
User: 'what is the address'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'thank you'
System: 'Can I help you with anything else?'
User: 'good bye'

[EX A]: 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 spanish restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, Downing College, or Emmanuel College.'
User: 'i dont care'
System: 'La Raza, which serves spanish food, is a great restaurant.'
User: 'may i have the address and phone number please'
System: 'La Raza is located on 4-6, The Basement, Rose Crescent. Its phone number is 01223464550.'
User: 'thank you good bye'

[EX A]:
Don't Care