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 am looking for a seafood restaurant with an expensive price range'
System: 'Loch Fyne, which serves seafood, is a great restaurant. It's in the expensive price range.'
User: 'please tell me the address and postcode'
System: 'Loch Fyne, which is in the area with the postcode CB2 1QY, is located on 37 Trumpington Street. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'thank you good bye'

Output (English): Expensive