Mann im gelben Schutzanzug in passendem gelben Raum

The room floor was carpeted with yellow carpeting, and the walls were covered with the same yellow wallpaper, and humming bright light yellow lamps, on the ceiling. stood a man, wearing a closed dark yellow suit, a closed protective suit. with black stripes, and a large black letter - “A” - on the suit. and the image of a triangle made up of black and yellow pyramids. the pyramids were made up of black squares, separated by light yellow stripes.