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: 'sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'restaurant'
System: 'What part of town do you have in mind? For example, New Chesterton, or Romsey.'
User: 'sil'
System: 'Would you like a cheap price range, or you don't care?'
User: 'city centre'
System: 'Would you like a cheap price range, or you don't care?'
User: 'free'
System: 'Ta Bouche, which is in the central part of town, is a great restaurant. It doesn't charge any entrance fee.'
User: 'free'
System: 'Ta Bouche, which is in the central part of town, is a great restaurant. It doesn't charge any entrance fee.'
User: 'what is the address'
System: 'Ta Bouche is on 10-15 Market Passage.'
User: 'the address'
System: 'Ta Bouche is located on 10-15 Market Passage.'
User: 'phone number'
System: 'The phone number of Ta Bouche is 01223462277.'
User: 'what is the phone number'
System: 'The phone number of Ta Bouche is 01223462277.'
User: 'thank you goodbye'
Question: 'Did the user mention the area in which they are looking for restaurants?'

Output (English): Yes