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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'breathing cheap pub with television'
System: 'The Baron of Beef, which is in the cheap price range, is a great pub.'
User: 'cheap cheap pub with a television'
System: 'The Baron of Beef, which is in the cheap price range, is a great pub.'
User: 'sil'
System: 'The Baron of Beef is an outstanding pub and it's in the cheap price range.'
User: 'sil'
System: 'The Baron of Beef, which is in the cheap price range, is a great pub.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes