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: 'i am looking for an expensive restaurant and it should be in the romsey area'
System: 'The Backstreet Bistro is an outstanding restaurant. It's in the Romsey part of town. It's in the expensive price range.'
User: 'please provide address phone number and price'
System: 'The Backstreet Bistro is located on 2 Sturton Street and its phone number is 01223306306. The price for main courses ranges from 10 pounds 95 to 14 pounds 25.'
User: 'okay thank you goodbye'

Output (English): Expensive