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 Input:
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: 'an english restaurant'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'any kind'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'moderate'
System: 'Carringtons is a great cafe and an outstanding restaurant, it serves cafe food and english food and it's in the moderate price range.'
User: 'and the address'
System: 'Carringtons is located on 23 Market Street.'
User: 'in what area'
System: 'Carringtons is in the central part of town.'
User: 'breathing thank you goo'
System: 'Can I help you with anything else?'
User: 'unintelligible'


Ex Output:
Don't Care


Ex Input:
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 i am looking for a chinese take away restaurant'
System: 'What part of town do you have in mind? For example, riverside, or Trumpington.'
User: 'i dont care'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is an outstanding restaurant.'
User: 'ok what is the address phone number and post code of the venue'
System: 'Yippee Noodle Bar is located on 7-9 King Street. Its phone number is 01223518111. It's in the area with the postcode CB1 1LH.'
User: 'clicking sil'
System: 'Yippee Noodle Bar is a great restaurant.'
User: 'ok ah what is the address'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'thank you what is the phone number and post code of the venue'
System: 'The phone number of Yippee Noodle Bar is 01223518111 and it's in the area with the postcode CB1 1LH.'
User: 'thank you so much good bye'


Ex Output:
Don't Care


Ex Input:
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 cheap northern european restaurant'
System: 'Polonia is an outstanding restaurant, it serves northern european food and it's in the cheap price range.'
User: 'what is the address'
System: 'Polonia is located on 231 Chesterton Road.'
User: 'what is the phone number'
System: 'The phone number of Polonia is 01223902138.'
User: 'what is the postcode'
System: 'Polonia is in the area with the postcode CB4 1AS.'
User: 'thank you good bye'


Ex Output:

Cheap