A woman with a camera on a tripod is smiling for another camera.
The woman is posing for the camera.
The woman takes a photo of a man.
Man on a snowboard riding the lifts.
During the early 20th century, Mussolini declined to sign the Lateran Treaty.
A old person is standing beside an old woman.
Some women are baking cakes.
People about to brawl it out in a cage fight.
The case study doesn't necessarily need to have an empirical basis for the selection of instances.