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: 'hi i want to find a chinese restaurant in the city center area'
System: 'Charlie Chan, which is in the central part of town, is an outstanding restaurant. It serves chinese food.'
User: 'can i have the address'
System: 'Charlie Chan is located on 14 Regent Street.'
User: 'can you give me the phone number'
System: 'The phone number of Charlie Chan is 01223902114.'
User: 'what is the price'
System: 'Charlie Chan is a great venue. The price for main courses ranges from 5 pounds 39 to 15 pounds.'
User: 'thank you good bye'
Question: 'Did the user mention the area in which they are looking for restaurants?'

Output (English): Yes