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: 'im looking for a restaurant in the trumpington area in the expensive price range'
System: 'The Oak Bistro, which is in the Trumpington part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is its address'
System: 'The Oak Bistro is located on 6 Lensfield Road. The price for main courses ranges from 11 pounds 50 to 17 pounds 75.'
User: 'what type of food does it serve'
System: 'The Oak Bistro serves contemporary food.'
User: '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: 'hi im looking for a restaurant in fenditton'
System: 'Let me confirm. You are looking for a venue in the Fen Ditton area.'
User: 'yes'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'moderate'
System: 'Are you looking for somewhere near a particular venue? For example, Corpus Christi, Hughes Hall, or Sidney Sussex College.'
User: 'no'
System: 'The Lion and Lamb, which is in the Fen Ditton part of town, is a great restaurant. It's in the moderate price range.'
User: 'can i get the address and the phone number please'
System: 'The phone number of The Lion and Lamb is 01223860202.'
User: 'the address and post code please'
System: 'The Lion and Lamb is located on High Street, Milton. I can't hear you. The Lion and Lamb is located on High Street, Milton.'
User: 'i need the post code'
System: 'The Lion and Lamb, which is in the Fen Ditton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'is there a post code'
System: 'The Lion and Lamb is in the area with the postcode CB4 6DF.'
User: 'thank you good bye'


A: 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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'im looking for a restaurant with only drinks and snacks'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, Little Saint Mary's, or the Saint Barnabas Press Gallery.'
User: 'no particular venue'
System: 'The Fleur, which serves drinks and snacks, is a great restaurant.'
User: 'what is the address'
System: 'The Fleur is located on 73 Humberstone Road.'
User: 'and price of the venue'
System: 'The Fleur is an outstanding venue. The price for main courses ranges from 6 pounds 75 to 12 pounds 95 and the price for a cheapest glass of wine is 3 pounds 50.'
User: 'what is the address'
System: 'The Fleur is on 73 Humberstone Road.'
User: 'thank you goodbye'


A:
Don't Care
****