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: 'i want a english restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'expensive'
System: 'Carringtons is a great cafe and an outstanding restaurant and it serves cafe food and english food.'
User: 'what is the address'
System: 'Carringtons is on 23 Market Street.'
User: 'what is the phone number'
System: 'The phone number of Carringtons is 01223361792.'
User: 'what is the postcode'
System: 'Carringtons is in the area with the postcode CB2 3NZ.'
User: 'thank you goodbye'

Output (English): Expensive