Is he playing the drums?
Yes he is
What is he doing?
He is dancing
Is she doing magic?
No, she is doing acrobatics
Is he reading a poem?
No, he is doing magic
Is he playing the guitar?
Yes he is
What is he doing?
He is singing
Is she telling a joke?
Yes she is
What is he doing?
He is juggling
What is he doing?
He is acting