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: 'what is a greek restaurant thats expensive'
System: 'The Varsity, which serves greek food, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address'
System: 'The Varsity is located on 35 Saint Andrew's Street.'
User: 'what is the area'
System: 'The Varsity is in the Girton part of town.'
User: 'thank you good bye'

Output (English): Expensive