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: 'background noise'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'im looking for a free restaurant in the city center area'
System: 'The Michaelhouse Centre, which is in the central part of town, is an outstanding restaurant. It doesn't charge any entrance fee.'
User: 'ok can i get the address phone number and the price please'
System: 'The Michaelhouse Centre is on Michaelhouse, Trinity Street and its phone number is 01223309147. The price for main courses ranges from 3 pounds 30 to 8 pounds 95 and the price for a cappuccino is 1 pound 75 and the entrance is free of charge.'
User: 'ok thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes