Wolfgang Puck .................. a waiter. ................... a chef.
isn't / He's
Scarlett Johansson .................. a chef. ................... an actress.
isn't / She's
Rain .................. a singer. He ................... an artist.
is / isn't
J. K. Rowling .................. a teacher. ................... a writer.
isn't / She's
Bill Gates .................. a businessman. He ................... a student.
is / isn't