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: 'looking for a greek restaurant in the expensive price range'
System: 'The Varsity, which serves greek food, is an outstanding restaurant. It's in the expensive price range.'
User: 'can i get the address and the area'
System: 'The Varsity is on 35 Saint Andrew's Street. The price for main courses ranges from 9 pounds 95 to 18 pounds 95.'
User: 'what area is the venue in'
System: 'The Varsity is in the Girton part of town.'
User: 'thank you good bye'

Output (English): Expensive