Who are they?
They're nurses
What's the matter?
She's got a stomach-ache
What's the matter?
He's got a cough
What's the matter?
It's a toothache
What's the matter?
He's got a headache
What's the matter?
He's got a stomach-ache
What's the matter?
He's got an earache
What's the matter?
He's got a cold
Who are they?
They're doctors