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: 'restaurant mexican'
System: 'Are you looking for somewhere near a particular venue? For example, Jesus College, Lamma's Land, or the Whipple Museum of the History of Science.'
User: 'serve mexican food'
System: 'Nanna Mexico, which serves mexican and tex mex food, is a great restaurant.'
User: 'expensive price range'
System: 'Nanna Mexico is a great venue. 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: 'Yes. Nanna Mexico is in the expensive price range.'
User: 'ok'
System: 'Nanna Mexico is a great restaurant, it serves mexican and tex mex food and it's in the expensive price range.'
User: 'and um the address'
System: 'Nanna Mexico is on 33 Regent Street.'
User: 'yes and the phone number'
System: 'The phone number of Nanna Mexico is 01223902150.'
User: 'thank you good bye'

Output (English): Expensive