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 cafe.'
User: 'continental restaurant expensive price range'
System: 'Alimentum, which serves continental and french food, is a great restaurant. It's in the expensive price range.'
User: 'address phone number and postcode'
System: 'Alimentum, which is in the area with the postcode CB2 8PB, is located on 152-154 Hills Road. Its phone number is 01223413000. The price for main courses ranges from 17 pounds 50 to 21 pounds and the price for a glass of wine ranges from 6 pounds 50 to 10 pounds 50.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes