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: 'cough'
System: 'What kind of venue are you looking for? For example, a pub.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe.'
User: 'a greek restaurant'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Fen Ditton, or Newnham area.'
User: 'a greek restaurant'
System: 'What part of town do you have in mind? For example, something in the Barnwell, King's Hedges, or New Chesterton area.'
User: 'barnwell'
System: 'There is no restaurant in the Barnwell area and serving greek food.'
User: 'sil'
System: 'Can I help you with anything else?'
User: 'new chesterton'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant.'
User: 'may i have the address and phone number'
System: 'Hakka is located on 24 Milton Road and its phone number is 01223568988.'
User: 'may i have the phone number and the address'
System: 'Hakka is located on 24 Milton Road and its phone number is 01223568988.'
User: 'whats the price range'
System: 'Hakka is in the moderate price range. The price for main courses ranges from 5 pounds to 13 pounds.'
User: 'what are the prices'
System: 'Hakka is in the moderate price range. The price for main courses ranges from 5 pounds to 13 pounds.'
User: 'thank you goodbye'
Question: 'Did the user mention the area in which they are looking for restaurants?'

Output (English): No