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.

[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 want to find a contemporary restaurant'
System: 'Let me confirm. You are looking for a contemporary venue.'
User: 'and it should have a cheap price range'
System: 'All Bar One, which serves contemporary food, is an outstanding restaurant. It's in the cheap price range.'
User: 'can you give me the phone number and the price of the venue'
System: 'The phone number of All Bar One is 01223371081. The price for main courses ranges from 7 pounds 95 to 12 pounds 95 and the price for a glass of wine ranges from 2 pounds 85 to 6 pounds 95.'
User: 'thank you good bye'

[A]: Cheap


[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 am looking for a seafood restaurant in an expensive price range'
System: 'Loch Fyne, which serves seafood, is a great restaurant. It's in the expensive price range.'
User: 'ok thank you what is the address and phone number of the venue'
System: 'Loch Fyne is on 37 Trumpington Street and its phone number is 01223902103. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'ok thank you good bye'

[A]: Expensive


[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: 'cough'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'restaurant'
System: 'What type of food would you like? For example, Contemporary, Middleeastern, or Spanish.'
User: 'chinese takeaway'
System: 'Would you like chinese or X food?'
User: 'chinese'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Girton, or riverside area.'
User: 'i dont care'
System: 'The J Restaurant, which serves chinese food, is a great restaurant.'
User: 'does it have takeaway'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'i dont care about the price range'
System: 'Are you looking for somewhere near a particular venue? For example, Old Schools, or the Saint Barnabas Press Gallery.'
User: 'no what is the address'
System: 'The J Restaurant is located on 86, Regent Street.'
User: 'what is the phone number'
System: 'The phone number of the J Restaurant is 01223307273.'
User: 'what is the postcode'
System: 'The J Restaurant is in the area with the postcode CB2 1DP.'
User: 'thank you goodbye'

[A]:
Don't Care