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 a cafe food restaurant'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'i do not care'
System: 'Let me confirm. You don't care about the price range. You are looking for a venue.'
User: 'yes'
System: 'Are you looking for somewhere near a particular venue? For example, Byard Art, the Regency Gallery, or the Whipple Museum.'
User: 'i do not care'
System: 'Let me confirm. You don't care about the location and you are looking for a venue.'
User: 'yes'
System: 'Carringtons is a great cafe and an outstanding restaurant. It serves cafe food and english food.'
User: 'what is the phone number and area of the venue'
System: 'The phone number of Carringtons is 01223361792.'
User: 'what is the area of the venue'
System: 'Carringtons is in the central part of town.'
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: 'im looking for a seafood restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Clare Hall, Magdalene College, or the People's Portraits Exhibition.'
User: 'background noise'
System: 'Loch Fyne is a great restaurant and it serves seafood.'
User: 'is it expensive'
System: 'Loch Fyne, which serves seafood, is a great restaurant. It's in the expensive price range.'
User: 'what is the address'
System: 'Loch Fyne is on 37 Trumpington Street.'
User: 'what is the phone number'
System: 'The phone number of Loch Fyne is 01223902103.'
User: 'how much does it cost'
System: 'Loch Fyne is a great restaurant. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'thank you good bye'

Expensive

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 a cheap restaurant in the city center area'
System: 'What type of food would you like? For example, Cafe food, Chinese, or Seafood.'
User: 'i dont care'
System: 'La Raza is a great restaurant and it's in the cheap price range.'
User: 'can i get the address phone number and post'
System: 'La Raza is located on 4-6, The Basement, Rose Crescent and its phone number is 01223464550. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'thank you good bye'
System: 'La Raza is a great restaurant.'
User: 'thank you good bye'


Cheap