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 need an expensive restaurant in the fen ditton area'
System: 'What part of town do you have in mind? For example, Barnwell, or Fen Ditton.'
User: 'fen ditton'
System: 'What part of town do you have in mind? For example, something in the central, riverside, or Trumpington area.'
User: 'fen ditton'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Chesterton, or Girton area.'
User: 'fen ditton'
Question: 'Did the user mention any cuisine preferences?'

Output (English): No