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 a cheap restaurant and it should be in the romsey area'
System: 'The Royal Standard is a great restaurant, it's in the Romsey part of town and it's in the cheap price range.'
User: 'whats the phone number'
System: 'The phone number of the Royal Standard is 01223902175.'
User: 'what is the postcode'
System: 'The Royal Standard is in the area with the postcode CB1 3NL.'
User: 'thank you good bye'

Output (English): Cheap