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: 'i want to find a northern european restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Gallery at twelve A High Street, the Michaelhouse Centre, or Sidney Sussex College.'
User: 'background noise'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'cheap'
System: 'Polonia is a great restaurant and it serves northern european food. It's in the cheap price range.'
User: 'what is the address'
System: 'Polonia is 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'

Output (English): Cheap