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 to find a chinese restaurant'
System: 'The J Restaurant is a great restaurant and it serves chinese food.'
User: 'should be in the girton area'
System: 'The Phoenix, which is in the Girton part of town, is a great restaurant. It serves chinese food.'
User: 'whats the phone number and whats the price range'
System: 'The phone number of The Phoenix is 01223233766 and it's in the expensive price range.'
User: 'thank you and good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes