Edward left his phone in the field he was working on.
The night sky was very dark; however, Edward still decided to get his phone.
Before he cam out of the house, Edward watched a movie where a soldier with a combat helmet fighting with a shovel in 1900's.
When he walked to the field, Edward screamed because he thought that there was a soldier in a combat helmet.
He realized that it was just a lamp and a shovel leaning on the wall behind. This occurred because Ed did was not able to see well in the dark and because of top-down processing.
Edward saw the image of a soldier first and then saw the shovel and the lamp post because human brains like the see things as a whole, and as time passes, we look into what makes up the whole, giving use clear image of what objects there are