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: 'noise'
System: 'Are you looking for a cafe or a restaurant?'
User: 'expensive restaurant in the trumpington'
System: 'Are you looking for somewhere near a particular venue? For example, Downing College, Kettle's Yard, or the Michaelhouse Centre.'
User: 'noise'
System: 'What type of food would you like? For example, Drinks and snacks only, Fusion, or Vegetarian.'
User: 'noise'
System: 'What type of food would you like? For example, Chinese take away, Drinks and snacks only, or Mediterranean.'
User: 'noise'
System: 'Are you looking for somewhere near a particular venue? For example, Clare College, Emmanuel College, or the Saint Barnabas Press Gallery.'
User: 'garbled expensive'
System: 'Are you looking for somewhere near a particular venue? For example, Clare College, Magdalene College, or the Museum of Classical Archaeology.'
User: 'trumpington'
System: 'What type of food would you like? For example, East asian, Greek, or International.'
User: 'trumpington'
System: 'What type of food would you like? For example, Continental, Spanish, or Traditional.'
User: 'noise'
System: 'What type of food would you like? For example, Chinese, Continental, or Italian.'
User: 'expensive'
System: 'What type of food would you like? For example, Cafe food, or Middleeastern.'
User: 'thank you goodbye thank you goodbye thank you goodbye thank you goodbye'

Output (English): Expensive