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: 'breathing'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'breathing'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'restaurant'
System: 'What type of food would you like? For example, Chinese take away, Northern european, or American.'
User: 'a restaurant'
System: 'What type of food would you like? For example, Cafe food, International, or Middleeastern.'
User: 'steak'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'umm expensive'
System: 'The Varsity, which serves greek food, is a great restaurant. It's in the expensive price range.'
User: 'breathing'
System: 'What part of town do you have in mind? For example, something in the Barnwell, King's Hedges, or Trumpington area.'
User: 'breathing'
System: 'What part of town do you have in mind? For example, something in the New Chesterton, Newnham, or riverside area.'
User: 'girton'
System: 'The Varsity, which is in the Girton part of town, is a great restaurant. This place, which serves greek food, is in the expensive price range.'
User: 'girton'
System: 'The Varsity, which is in the Girton part of town, is a great restaurant. It serves greek food and it's in the expensive price range.'
User: 'can i get the address'
System: 'The Varsity is located on 35 Saint Andrew's Street.'
User: 'can i get the phone number'
System: 'The phone number of the Varsity is 01223356060.'
User: 'and what kind of food is it'
System: 'The Varsity serves greek food.'
User: 'ok'
System: 'The Varsity, which is in the Girton part of town, is a great restaurant. This place, which serves greek food, is in the expensive price range.'
User: 'sil'
System: 'The Varsity, which is in the Girton part of town, is a great restaurant. This place, which serves greek food, is in the expensive price range.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes