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 want to find a french restaurant and it should be in the riverside area'
System: 'The Hotel du Vin, which is in the riverside part of town, is a great restaurant. It serves french food.'
User: 'what is the phone number'
System: 'The phone number of the Hotel du Vin is 01223227330.'
User: 'what is the price range'
System: 'The Hotel du Vin is in the expensive price range.'
User: 'thank you bu bye'
Question: 'Did the user mention the area in which they are looking for restaurants?'

Output (English): Yes