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.

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 english restaurant in the moderate price range'
System: 'Carringtons, which serves cafe food, is a great cafe and an outstanding restaurant. It serves english food and it's in the moderate price range.'
User: 'what is the phone number'
System: 'The phone number of Carringtons is 01223361792.'
User: 'and what is the postcode of the venue'
System: 'Carringtons is in the area with the postcode CB2 3NZ.'
User: 'thank you good bye'

Moderate

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: 'lo'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'im looking for a restaurant in trumpington'
System: 'What kind of price range are you looking for? For example, moderate.'
User: 'doesnt matter'
System: 'What type of food would you like? For example, Drinks and snacks only, Chinese, or Mediterranean.'
User: 'mediterranean'
System: 'There is no restaurant in the Trumpington area and serving mediterranean food.'
User: 'chinese'
System: 'Wok n Grill, which is in the Trumpington part of town, is an outstanding restaurant. It serves chinese food.'
User: 'what are the prices'
System: 'Wok n Grill is an outstanding venue. The price for main courses ranges from 12 pounds 80 to 12 pounds 80.'
User: 'what is the address and phone number'
System: 'Wok n Grill is located on 18 High Street, Trumpington and its phone number is 01223506248.'
User: 'thank you good bye'

Don't Care

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 restaurant.'
User: 'a cheap restaurant in the fenditton area'
System: 'The Milton Park English and Thai Restaurant, which is in the Fen Ditton part of town, is a great restaurant. It's in the cheap price range.'
User: 'whats the address'
System: 'The Milton Park English and Thai Restaurant is located on Milton Park Golf Course, Ely Road, Milton.'
User: 'whats the phone number'
System: 'The phone number of the Milton Park English and Thai Restaurant is 01223864602.'
User: 'whats the postal code'
System: 'The Milton Park English and Thai Restaurant is in the area with the postcode CB24 6DD.'
User: 'thank you goodbye'


Cheap