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: 'yes im looking for a moderately priced restaurant and it should be in the addenbrookes area'
System: 'Nando's Restaurant, Cambridge Leisure Park is an outstanding restaurant, it's in the Addenbrooke's part of town and it's in the moderate price range.'
User: 'can i get the address and phone number please'
System: 'Nando's Restaurant, Cambridge Leisure Park is on Unit G5, Cambridge Leisure Park, Clifton Way and its phone number is 01223246568.'
User: 'thank you and 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 an italian restaurant and it should have an expensive price range'
System: 'Are you looking for somewhere near a particular venue? For example, Great Saint Mary's Church, Jesus College, or the People's Portraits Exhibition.'
User: 'no particular venue'
System: 'Ask, which serves italian food, is an outstanding restaurant. It's in the expensive price range.'
User: 'that one please what is the address'
System: 'Ask is on 12 Bridge Street. The price for main courses ranges from 6 pounds 25 to 11 pounds 95 and the price for a glass of wine ranges from 4 pounds 85 to 6 pounds 5.'
User: 'what is the area'
System: 'Ask is in the riverside part of town.'
User: 'thank you goodbye'

[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: '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 restaurant in the cherryhinton area'
System: 'HK Fusion, which is in the Cherry Hinton part of town, is a great restaurant. It's in the cheap price range.'
User: 'what is the address and phone number'
System: 'HK Fusion is on 21 Burleigh Street and its phone number is 01223355909.'
User: 'what type of food do they serve'
System: 'HK Fusion is a great restaurant.'
User: 'what type of food'
System: 'HK Fusion is a great restaurant, it's in the Cherry Hinton part of town and it's in the cheap price range.'
User: 'what kind of food to the serve'
System: 'Yes. HK Fusion serves chinese food.'
User: 'thank you goodbye'

[EX A]:
Cheap