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: 'pu'
System: 'Are you looking for somewhere near a particular venue? For example, the Broughton House, Clare College, or Hughes Hall.'
User: 'im looking for an expensive restaurant in the addenbrookes area'
System: 'The Lucky Star is an outstanding restaurant, it's in the Addenbrooke's part of town and it's in the expensive price range.'
User: 'what is the address phone number and postcode'
System: 'The Lucky Star is on Unit, its phone number is 01223244277 and it's in the area with the postcode CB1 7DY.'
User: 'thank you good bye'

Output (English): Expensive