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: 'american restaurant'
System: 'What kind of price range are you looking for? For example, free.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, Magdalene College, the People's Portraits Exhibition, or the Saint Barnabas Press Gallery.'
User: 'i dont care'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Barnwell, or King's Hedges area.'
User: 'i dont care'
System: 'What type of food would you like? For example, Northern european, Chinese, or Thai.'
User: 'american'
System: 'What type of food would you like? For example, Indian, Seafood, or Traditional.'
User: 'american'
System: 'What type of food would you like? For example, Chinese, Continental, or International.'
User: 'thank you good bye'
System: 'What type of food would you like? For example, Contemporary, International, or Italian.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes