Task: Dialogue State Tracking
Input (English): 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: 'noise sil'
System: 'What kind of venue are you looking for? For example, a restaurant.'
User: 'im looking for a northern european restuarant in the cheap price range'
System: 'Polonia, which serves northern european food, is a great restaurant. It's in the cheap price range.'
User: 'what is the phone number'
System: 'The phone number of Polonia is 01223902138. The price for main courses ranges from 1 pound 50 to 7 pounds 50.'
User: 'thank you good bye'

Output (English): Cheap