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: 'yes im looking for a greek restaurant in the moderate price range'
System: 'The Eraina Taverna is a great restaurant and it serves greek food. It's in the moderate price range.'
User: 'whats the address'
System: 'The Eraina Taverna is on 2 Free School Lane.'
User: 'whats the phone number'
System: 'The phone number of the Eraina Taverna is 01223902126.'
User: 'whats the postcode'
System: 'The Eraina Taverna is in the area with the postcode CB2 3QA.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes