Are they ice skating?
Yes, they are.
Are they playing basketball?
No, they aren't.
??? (Yes, they are)
Are they skipping?
??? (No, they aren't)
Are they playing table tennis?
Are they playing chess?
Yes, they are.
Are they surfing?
No, they aren't.
??? (Yes, they are.)
Are they sailing?
Are they playing basketball?
Yes, they are.
??? (No, they aren't)
Are they playing football?
Are they cycling?
Yes, they are.
