What is this?
It's a robot.
What is she doing?
She's taking a photo.
What is this?
It's a video call.
What is she doing?
She's calling a friend.
What are they doing?
They're chatting.
What is he doing?
He's playing video game.
Is she writing?
No, she is typing.
What is she doing?
She's texting.
What is the cat doing?
He's using the computer.