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 id like a traditional restaurant in the expensive price range'
System: 'The Granta Bar is an outstanding restaurant and it serves traditional food. It's in the expensive price range.'
User: 'ok can i have the address and price'
System: 'The Riverside Restaurant is located on University Centre, Granta Place. The price for main courses ranges from 14 pounds 95 to 16 pounds 95.'
User: 'thank you goodbye'

Output (English): Expensive