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 trumpington area'
System: 'The Oak Bistro is an outstanding restaurant, it's in the Trumpington part of town and it's in the expensive price range.'
User: 'what is the address and postcode'
System: 'The Oak Bistro is located on 6 Lensfield Road. It's in the area with the postcode CB2 1EG.'
User: 'ok thank you good bye'
Question: 'Did the user mention the area in which they are looking for restaurants?'

Output (English): Yes