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 would like an expensive restaurant in the romsey area'
System: 'The Backstreet Bistro is a great restaurant, it's in the Romsey part of town and it's in the expensive price range.'
User: 'what is the price'
System: 'The Backstreet Bistro is a great venue. The price for main courses ranges from 10 pounds 95 to 14 pounds 25.'
User: 'what is the address'
System: 'The Backstreet Bistro is located on 2 Sturton Street.'
User: 'thank you bu bye'

Output (English): Expensive