Are they skating?
Yes, they are.
Are they playing football?
No, they aren't. They are playing basketball.
Are they skipping?
No, they aren't. They are playing chess.
Are they doing judo?
No, they aren't. They are surfing.
Are they skateboarding?
No, they aren't. They are ice skating.
Are they sailing?
No, they aren't. They are surfing.
Are they cycling?
Yes, they are.
Are they doing judo?
Yes, they are.
Are they skipping?
Yes, they are.
Are they ice skating?
No, they aren't. They are skateboarding.
Are they sailing?
Yes, they are.
Are they skipping?
No, they aren't. They are running.
Are they playing table tennis?
Yes, they are.