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 restaurant serving any kind of food in the fen ditton area'
System: 'The Lion and Lamb, which is in the Fen Ditton part of town, is a great restaurant.'
User: 'whats the address'
System: 'The Lion and Lamb is located on High Street, Milton.'
User: 'whats the phone number'
System: 'The phone number of The Lion and Lamb is 01223860202.'
User: 'whats the price range'
System: 'The Lion and Lamb is in the moderate price range. The price for main courses ranges from 5 pounds to 15 pounds and the price for a cheapest pint of beer is 3 pounds.'
User: 'thank you good bye'
Question: 'Did the user ask for the address of the restaurant?'

Output (English): Yes