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 chinese restaurant and it should be in the city centre area'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'expensive'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'moderate'
System: 'What part of town do you have in mind? For example, something in the central, New Chesterton, or riverside area.'
User: 'the central area'
System: 'Charlie Chan, which is in the central part of town, is a great restaurant. It serves chinese food. It's in the moderate price range.'
User: 'what is the address'
System: 'Charlie Chan is on 14 Regent Street.'
User: 'thank you goodbye'
Question: 'Did the user mention the area in which they are looking for restaurants?'

Output (English): Yes