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 price range are you looking for? For example, cheap, or expensive.'
User: 'expensive'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'expensive'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'continental restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Artworks, the University Botanic Gardens, or Williams Art and Antiques.'
User: 'a continental restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Technology Museum, Clare Hall, or King's College.'
User: 'no'
System: 'Alimentum is an outstanding restaurant, it serves continental and french food and it's in the expensive price range.'
User: 'what is the address phone number and postcode'
System: 'Alimentum is located on 152-154 Hills Road, its phone number is 01223413000 and it's in the area with the postcode CB2 8PB.'
User: 'thank you good bye'

Output (English): Expensive