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: 'yes i would like to find a an expensive restaurant in the addenbrookes area'
System: 'What type of food would you like? For example, Chinese, Greek, or Indian.'
User: 'unintelligible'
System: 'There is no restaurant in the Addenbrooke's area and serving greek food.'
User: 'anything'
System: 'Would you like an addenbrooke's area, or you don't care?'
User: 'addenbrookes area'
System: 'Let me confirm. You are looking for a venue in the expensive price range.'
User: 'yes'
System: 'Would you like a greek food, or you don't care?'
User: 'i dont care'
System: 'The Lucky Star is an outstanding restaurant. It's in the Addenbrooke's part of town. It's in the expensive price range.'
User: 'what type of food'
System: 'The Lucky Star serves chinese food.'
User: 'ok whats the address and phone number'
System: 'The Lucky Star is on Unit and its phone number is 01223244277.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes