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 an international restaurant'
System: 'Giraffe, which serves international food, is an outstanding restaurant.'
User: 'uh what is the address'
System: 'Giraffe is located on Christ's Lane.'
User: 'uh whats the phone number'
System: 'The phone number of Giraffe is 01223300707.'
User: 'what was the area of the venue'
System: 'Giraffe is in the central part of town.'
User: 'alright thank you'
System: 'Can I help you with anything else?'
User: 'good bye'
System: 'Giraffe is a great restaurant.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes