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: 'im looking for an expensive texmex restaurant'
System: 'Nanna Mexico, which serves mexican and tex mex food, is a great restaurant. It's in the expensive price range.'
User: 'knock sil'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, the Gallery at twelve A High Street, or Milton Country Park.'
User: 'anywhere'
System: 'Nanna Mexico is on 33 Regent Street.'
User: 'what is the phone number'
System: 'The phone number of Nanna Mexico is 01223902150.'
User: 'click sil'
System: 'Nanna Mexico is a great restaurant.'
User: 'what is the phone number and price'
System: 'The phone number of Nanna Mexico is 01223902150. The price for main courses ranges from 5 pounds 35 to 15 pounds 50 and the price for a cappuccino is 2 pounds 95.'
User: 'is it expensive'
System: 'Nanna Mexico is in the expensive price range.'
User: 'sil'
System: 'Nanna Mexico is a great restaurant.'
User: 'sil'
System: 'Nanna Mexico is an outstanding restaurant.'
User: 'is it expensive'
System: 'Nanna Mexico is in the expensive price range.'
User: 'breathing is it e'
System: 'Nanna Mexico is an outstanding restaurant.'
User: 'thank you good bye'

Output (English): Expensive