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: 'a restaurant'
System: 'What part of town do you have in mind? For example, something in the Arbury, Girton, or King's Hedges area.'
User: 'the addenbrookes area'
System: 'What type of food would you like? For example, Drinks and snacks only, Italian, or Thai.'
User: 'the addenbrookes area'
System: 'What part of town do you have in mind? For example, something in the New Chesterton, Romsey, or Trumpington area.'
User: 'an expensive restaurant'
System: 'What part of town do you have in mind? For example, something in the Barnwell, riverside, or Romsey area.'
User: 'the addenbrookes area'
System: 'The Lucky Star, which is in the Addenbrooke's part of town, is a great restaurant. It's in the expensive price range.'
User: 'the addenbrookes area'
System: 'The Lucky Star, which is in the Addenbrooke's part of town, is a great restaurant. It's in the expensive price range.'
User: 'the addenbrookes area'
System: 'The Lucky Star, which is in the Addenbrooke's part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'what type of food does it serve'
System: 'The Lucky Star serves chinese food.'
User: 'what type of food does the venue serve'

Output (English): Expensive