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: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'a restaurant'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'a restaurant'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes