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 pub.'
User: 'chinese takeaw restaurant'
System: 'There is no restaurant serving chinese food that is providing services for free.'
User: 'chinese takeaw restaurant takeout'
System: 'Would you like chinese or X food?'
User: 'chinese takeout'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'moderate'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'moderate'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'moderate'
System: 'The J Restaurant is an outstanding restaurant, it serves chinese food and it's in the moderate price range.'
User: 'does it do takeout'
System: 'The J Restaurant, which serves chinese food, is a great restaurant. It's in the moderate price range.'
User: 'what is the address'
System: 'The J Restaurant is on 86, Regent Street.'
User: 'what area is that'
System: 'The J Restaurant is an outstanding restaurant.'
User: 'what is the phone number'
System: 'The phone number of the J Restaurant is 01223307273.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes