He's a ....
mechanic
Is she a teacher?
Yes, she is
( ) He's a doctor ⟷ ( ) She's a doctor
She's a doctor
( ) He's a mechanic ⟷ ( ) She's a mechanic
He's a mechanic
He's a ...
firefighter
He's a ...
teacher
Is he a police officer?
No, he isn't.
( ) He's a singer ⟷ ( ) She's a singer
He's a singer
( ) He's a cook ⟷ ( ) She's a cook
She's a cook
Is he a pilot?
No, he isn't
She's a ...
pilot
She's a ...
singer
( ) He's a police officer ⟷ ( ) She's a police officer
He's a police officer
She's a ...
ballerina
She's a...
cook
Is he a firefighter?
Yes, he is.
She's a ...
doctor
He's a...
vet
Is he a vet?
No, he isn't.
He's a ...
waiter
She's a...
waitress
Is she a singer?
No, she isn't.
She's a...
police officer
( ) He's a teacher ⟷ ( ) She's a teacher
She's a teacher