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: 'italian restaurant expensive'
System: 'Ask, which serves italian food, is a great restaurant. It's in the expensive price range.'
User: 'address'
System: 'Ask is located on 12 Bridge Street.'
User: 'phone number'
System: 'The phone number of Ask is 01223364917.'
User: 'price'
System: 'Ask is an outstanding venue. The price for main courses ranges from 6 pounds 25 to 11 pounds 95 and the price for a glass of wine ranges from 4 pounds 85 to 6 pounds 5.'
User: 'children'
System: 'There is no pub in the expensive price range.'
User: 'television'
System: 'Can I help you with anything else?'
User: 'unintelligible'
System: 'Can I help you with anything else?'
User: 'thank you goodbye'

Output (English): Expensive