He introduced them to the doctor.
The doctor was introduced to them by him.
He didn't introduce them to the doctor.
A man dressed as the joker.
A hockey player is dressed in a team uniform.
A child is decorating a tree.
There are people wearing red in the bar.
San'doro found a small oilskin on one of the men, and emptied it onto the ground.
The cynical approach says that Gates is turning power over to Ballmer for the sake of the company.