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: 'noise sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'i am looking for a free restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, the Regency Gallery, or Saint Catharine's College.'
User: 'noise sil'
System: 'The Michaelhouse Centre, which doesn't charge any entrance fee, is an outstanding restaurant.'
User: 'what is the phone number and address'
System: 'The Michaelhouse Centre is located on Michaelhouse, Trinity Street and its phone number is 01223309147.'
User: 'noise sil'
System: 'The Michaelhouse Centre is a great restaurant.'
User: 'what is the phone number'
System: 'The phone number of the Michaelhouse Centre is 01223309147.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes