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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'breathing sil'
System: 'What part of town do you have in mind? For example, something in the Arbury, New Chesterton, or Trumpington area.'
User: 'an expensive mexican restaurant'
System: 'Nanna Mexico is an outstanding restaurant, it serves mexican and tex mex food and it's in the expensive price range.'
User: 'anywhere breathing'
System: 'What part of town do you have in mind? For example, something in the Barnwell, King's Hedges, or Newnham area.'
User: 'breathing sil'
System: 'Nanna Mexico, which serves mexican and tex mex food, is an outstanding restaurant. It's in the expensive price range.'
User: 'breathing sil'
System: 'Nanna Mexico, which serves mexican and tex mex food, is a great restaurant. It's in the expensive price range.'
User: 'breathing sil'
System: 'Nanna Mexico is a great restaurant. It serves mexican and tex mex food. It's in the expensive price range.'
User: 'breathing what is the address'
System: 'Nanna Mexico is near Downing College located on 33 Regent Street.'
User: 'breathing sil'
System: 'Nanna Mexico is an outstanding restaurant.'
User: 'breathing what is the address'
System: 'Nanna Mexico is on 33 Regent Street.'
User: 'what is the phone number'
System: 'The phone number of Nanna Mexico is 01223902150.'
User: 'breathing what is the phone number'
System: 'The phone number of Nanna Mexico is 01223902150.'
User: 'what is the post code'
System: 'Nanna Mexico is in the area with the postcode CB2 1AB.'
User: 'post code'
System: 'Nanna Mexico is in the area with the postcode CB2 1AB.'
User: 'breathing sil'
System: 'Nanna Mexico is an outstanding restaurant.'
User: 'breathing sil'
System: 'Nanna Mexico is a great restaurant.'
User: 'what is the post code'
System: 'Nanna Mexico is in the area with the postcode CB2 1AB.'
User: 'good bye breathing'

Output (English): Expensive