Is he a cook?
Yes, he is.
Is he a soccer player?
No, he isn't. He's a taekwondo instructor.
Is he a scientist?
Yes, he is.
Who's she?
She's a doctor.
Is she a / an teacher?
a teacher
Who's she?
She's an inventor.
Is he a / an actor?
an actor
Is she a doctor?
Yes, she is.
Who's he?
He's a taekwondo instructor.
Who's he?
He's a singer.
Who's he?
He's an actor.
Is she a / an inventor?
an inventor
Who's she?
She's a dancer.
Who's she?
She's an artist.
Is she a teacher?
No, she isn't. She's an inventor.
Who's he?
He's a farmer.
Is he a / an farmer?
a farmer
Is he a farmer?
No, he isn't. He's an actor.
Who's she?
She's a teacher.
Is he a singer?
Yes, he is.
Who's he?
He's a scientist.
Who's he?
He's a cook.
Who's he?
He's a soccer player.