Laura is filming a scene in which the subject is sitting with a lit fireplace behind him. The only other source of light in the room is the glow from a window on the subject's left. How should Laura set up a standard three-point lighting system for the shot?

The answer is below

Explanation:

Given that the three-point lighting techniques require one to have three sources of lights in a scene. These three lights are known as Back light, key light, and fill light.

The Back light is expected to be placed at the back of the subject. In this scenario, there is a lit fireplace behind the subject, this is serving as the backlight already.

The glow from a window on the subject's left is serving as a Fill light which is not going to be bright as that of the Key lights.

Then Laura would now only need the Key Light. This will be the main light and will be the brightest. Laura will have to place this Key Light on the right side of the subject on the scene, directly at the opposite of the glowing light serving as the Fill light.