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: 'im looking for a traditional restaurant with an expensive price range'
System: 'The Riverside Restaurant, which serves traditional food, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address and postcode'
System: 'The Riverside Restaurant is on University Centre, Granta Place and it's in the area with the postcode CB2 1RU. The price for main courses ranges from 14 pounds 95 to 16 pounds 95.'
User: 'thank you good bye'

Output (English): Expensive