Is he a vet?
No, he isn't. He's a chef.
Is he a police officer?
Yes, he is.
Is she a nurse?
Yes, she is.
He helps sick animals.
He's a vet.
Is she a taxi driver?
No, she isn't. She's a nurse.
Is he a vet?
No, he isn't. He's a taxi driver.
Is he a firefighter?
Yes, he is.