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 cheap restaurant and it should be in the cherry hinton area'
System: 'What type of food would you like? For example, Cafe food, Greek, or Thai.'
User: 'i need the address phone number'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, or the Whipple Museum.'
User: 'cherry hinton'
System: 'What type of food would you like? For example, English, French, or Spanish.'
User: 'any restaurant'
System: 'What type of food would you like? For example, Contemporary, Middleeastern, or Spanish.'
User: 'low priced'
System: 'What type of food would you like? For example, pub, Greek, or Vegetarian.'
User: 'vegetarian'
System: 'There is no restaurant serving vegetarian food in the cheap price range.'
User: 'greek'
System: 'Would you like a cheap price range, or you don't care?'
User: 'a cheap price range'
System: 'There is no restaurant in the Cherry Hinton area and serving greek food.'
User: 'traditional'
System: 'Would you like a cherry hinton area, or you don't care?'
User: 'i need the cherry hinton area'
System: 'There is no restaurant serving traditional food in the cheap price range.'
User: 'ok thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes