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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'a traditional restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Gallery at twelve A High Street, Magdalene College, or the People's Portraits Exhibition.'
User: 'traditional'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'no'
System: 'Are you looking for somewhere near a particular venue? For example, the Broughton House Gallery, Churchill College, or the People's Portraits Exhibition.'
User: 'expensive'
System: 'Are you looking for somewhere near a particular venue? For example, Christ's College, Saint John's College, or the Scott Polar Museum.'
User: 'no'
System: 'The Eagle, which serves traditional food, is an outstanding restaurant.'
User: 'no'
System: 'The Eagle is an outstanding restaurant and it serves traditional food.'
User: 'what is the address'
System: 'The Eagle is located on 8 Benet Street.'
User: 'what is the post code'
System: 'The Eagle is in the area with the postcode CB2 3QN.'
User: 'sil'
System: 'The Eagle is an outstanding restaurant.'
User: 'what is the post code'
System: 'The Eagle is in the area with the postcode CB2 3QN.'
User: 'thank you good bye'

Output (English): Expensive