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: 'id like a restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'i dont care'
System: 'What part of town do you have in mind? For example, Castle Hill, or Trumpington.'
User: 'chesterton'
System: 'Twenty-four is a great restaurant and it's in the Chesterton part of town.'
User: 'what is the address'
System: 'Twenty-four is on 24 Cambridge Science Park, Milton Road.'
User: 'what is the phone number'
System: 'The phone number of Twenty-four is 01223395800.'
User: 'what is the price range'
System: 'Twenty-four is in the moderate price range. The price for main courses ranges from 6 pounds to 15 pounds.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes