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 would like an expensive restaurant in the fen ditton area'
System: 'Let me confirm. You don't care about the area and you are looking for a venue.'
User: 'yes'
System: 'Blue Spice, which is in the expensive price range, is an outstanding restaurant.'
User: 'may i have the address and phone number'
System: 'Blue Spice is on Unit F1, Cambridge Leisure Park, Clifton Way and its phone number is 01223413337.'
User: 'what type of food is served'
System: 'Blue Spice serves indian food.'
User: 'thank you good bye'

Output (English): Expensive