What is he doing?
Running
What is she doing?
Eating
What is she doing?
Jumping
What is he doing?
Jumping
Are they eating?
Yes, they are
Are they walking?
Yes, they are
What is she doing?
Running
Is he jumping?
No, he isn't
Is he running?
Yes, he is
What is she doing?
Walking
What is she doing?
Flying
What is he doing?
Walking
What is he doing?
Eating
What is he doing?
Flying