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: 'im looking for an expensive restaurant in the romsey area'
System: 'The Backstreet Bistro, which is in the Romsey part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address and price'
System: 'The Backstreet Bistro is located on 2 Sturton Street. The price for main courses ranges from 10 pounds 95 to 14 pounds 25.'
User: 'thank you goodbye'

Output (English): Expensive