What's this?
trumpet
What is he doing?
He is playing the flute.
Who's this?
son
What are they doing?
They are dancing.
Who's this?
daughter
Who's this?
grandson
What are these?
drums
What's this?
guitar
Who's this?
husband
What is she doing?
She is playing the trumpet.
What's this?
violin
What's this?
piano
What's this?
flute
Who's this?
granddaughter
What is the cat doing?
It is playing the piano.
What is the robot doing?
It is playing the guitar.
What is the dog doing?
It is playing the drum.
What is the crab doing?
It is playing the violin.
Who's this?
wife