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: 'unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'restaurant in the fen ditton area restaurant in the fen ditton area'
System: 'Are you looking for a venue in the Fen Ditton or Girton area?'
User: 'restaurant in the fen ditton area'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'restaurant in the fen ditton'
System: 'Twenty-four is an outstanding restaurant and it's in the Chesterton part of town.'
User: 'sil'
System: 'Are you looking for a venue in the Chesterton or Fen Ditton area?'
User: 'sil'
System: 'Are you looking for a venue in the Chesterton or Fen Ditton area?'
User: 'fen ditton'
System: 'Twenty-four is an outstanding restaurant.'
User: 'fen ditton'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Cherry Hinton, or Newnham area.'
User: 'sil'
System: 'Are you looking for a venue in the Chesterton or Girton area?'
User: 'thank you good bye'

Output (English): Cheap