Describe what you see. This is the easiest part, do not overthink it. Just write down exactly what you see in the photograph.
Make sure to be as detailed as possible. Spend some time looking at the photograph.
Analyze and interpret what is in the photograph. Look at the composition, the lighting, the framing, the textures, the way the subjects are captured. For example, what kinds of shadows are in the photograph?
Where are the shadows coming from?
Form your own opinion Judge the photograph. Is this a successful photograph? Do you like it? Why or why not?