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: 'restaurant'
System: 'What type of food would you like? For example, pub, Middleeastern, or Vegetarian.'
User: 'barnwell area'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Mediterranean, or Turkish.'
User: 'mexican'
System: 'Are you looking for somewhere near a particular venue? For example, Cambridge Contemporary Art, Little Saint Mary's, or Saint John's College.'
User: 'no'
System: 'Chiquito, which serves mexican and tex mex food, is an outstanding restaurant.'
User: 'barnwell area'
System: 'The Wheatsheaf is a great restaurant and it's in the Barnwell part of town.'
User: 'andr address'
System: 'The Wheatsheaf is located on Stow Road, Stow-Cum-Quy.'
User: 'address'
System: 'The Wheatsheaf is located on Stow Road, Stow-Cum-Quy.'
User: 'phone number'
System: 'The phone number of the Wheatsheaf is 01223812196.'
User: 'phone number'
System: 'The phone number of the Wheatsheaf is 01223812196.'
User: 'thank you goodbye'

[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: 'noise sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'noise sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'noise sil'
System: 'Can I help you with anything else?'
User: 'restaurant in the chesterton area breathing'
System: 'There is no restaurant in the Chesterton area and serving east asian food.'
User: 'unintelligible'
System: 'Can I help you with anything else?'
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: 'sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'im looking for a cheap pub that has tv'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Barnwell, or Newnham area.'
User: 'im looking for a cheap pub that has a tv'
System: 'The Bakers has a television, it's in the cheap price range and it's an outstanding pub.'
User: 'it doesnt matter'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, the People's Portraits Exhibition, or Primavera.'
User: 'it doesnt matter'
System: 'The Bakers, which is a great pub, is in the cheap price range with a television.'
User: 'no it doesnt matter'

[EX A]:
Cheap