Is she riding a bike?
No she isn't. She's singing.
Is he swimming?
Yes, he is
Is he dancing?
No, he isn't. He's surfing.
Is he sailing?
He isn't sailing. He's (scuba) diving.
Is he skiing?
No, he isn't. He's swimming.
Is he kayaking?
He isn't kayaking. He's surfing.
Is he running?
No, he isn't. He's snowboarding.
Is she ice skating?
Yes, she is
