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 a chinese restaurant and it should be in the new chesterton area'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant.'
User: 'is that a chinese restaurant'
System: 'Hakka is a great restaurant and it serves chinese food.'
User: 'oh i want to know the phone number and postcode'
System: 'The phone number of Hakka is 01223568988 and it's in the area with the postcode CB4 1JY.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes