Is he playing baseball?
yes, he is.
Are they playing soccer? What are they doing?
No, they aren't. They are playing hockey
Is she playing football?
Yes, she is.
What is he doing?
He is playing tennis.
Is she playing tennis? what is she doing?
No, she isn't. She is playing volleyball.
Are they playing table tennis?
Yes, they are.
What is he doing?
He is playing soccer.
What are they doing?
They are playing volleyball.
What is she doing?
she is playing hockey
What is he doing?
He is playing basketball