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 mexican or a texmex restaurant'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'ah expensive'
System: 'Are you looking for somewhere near a particular venue? For example, the Book and Print Gallery, the Museum Of Technology, or Clare Hall.'
User: 'ah no i just need the address phone number and post code'
System: 'Are you looking for somewhere near a particular venue? For example, King's College, the People's Portraits Exhibition, or the Lammas Land Park.'
User: 'no'
System: 'Nanna Mexico, which serves mexican and tex mex food, is an outstanding restaurant. It's in the expensive price range.'
User: 'ah whats the address phone number and post code'
System: 'Nanna Mexico is on 33 Regent Street, its phone number is 01223902150 and it's in the area with the postcode CB2 1AB.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes