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 the cafe food restaurant'
System: 'Subway, which serves cafe food, is an outstanding restaurant.'
User: 'find should have a cheap price range'
System: 'Subway is a great restaurant, it serves cafe food and it's in the cheap price range.'
User: 'uh what is the address and post code'
System: 'Subway, which is in the area with the postcode CB1 2AD, is located on 40-42 Mill Road. The price for main courses ranges from 1 pound 99 to 5 pounds 60.'
User: 'thank you goodbye'

Output (English): Cheap