Bert Is Looking at a Picture of a Smiley Face

Multiple Choice

Bert is looking at a picture of a smiley face which contains two green eyes, a blue nose, and a red smile on a yellow face and is asked to stare at the blue nose. The picture is
presented on a computer screen while his eye movements are being recorded.
Furthermore, whenever his eyes move (even in the case of a microsaccade) , the image
moves with his eye such that the blue nose is always presented on the same location on
his retina. After some time, what will Bert report seeing at the place of the nose?

A) it will be green, just like the two eyes
B) it will be gray because the perception of color will fade
C) it will be yellow, just like the background
D) it will look like a black gap in the middle of the face