What are they doing?
They are doing judo.
What is she doing?
She is doing gymnastics.
What are they doing?
They are playing chess.
What are they doing?
They are playing volleyball.
What is she doing?
She is riding a bike.
What is she doing?
She is cooking
What is he doing?
He is playing tennis.
What are they doing?
They are playing handball.
What is she doing?
She is walking the dog.
What is he doing?
He is playing football.