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: 'yes im looking for a seafood restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Cambridge Contemporary Art, Holy Trinity Church, or Trinity College.'
User: 'in the expensive price range'
System: 'Loch Fyne, which serves seafood, is an outstanding restaurant. It's in the expensive price range.'
User: 'whats the address'
System: 'Loch Fyne is located on 37 Trumpington Street. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'ah whats the phone number'
System: 'The phone number of Loch Fyne is 01223902103.'
User: 'and whats the price range'
System: 'Loch Fyne is in the expensive price range. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'ok good bye'

Output (English): Expensive