Who's this?
He's Alex.
What's this?
It's a ruler.
What's this?
It's a desk.
Who's this?
She's the teacher.
Who's this?
She's Mera.
What's this?
It's a board.
What's this?
It's a cupboard.
What's this?
It's a bookcase.
Who's this?
He's Lenny.