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: 'restaurant expensive area'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Indian, or International.'
User: 'i dont care'
System: 'Blue Spice, which is in the expensive price range, is an outstanding restaurant.'
User: 'romsey area'
System: 'The Backstreet Bistro is a great restaurant. It's in the Romsey part of town. It's in the expensive price range.'
User: 'address'
System: 'The Backstreet Bistro is located on 2 Sturton Street.'
User: 'sil'
System: 'The Backstreet Bistro is a great restaurant.'
User: 'price'
System: 'The Backstreet Bistro is a great venue. The price for main courses ranges from 10 pounds 95 to 14 pounds 25.'
User: 'thank you good'

Output (English): Expensive