Why can't the visitor say "There are X red, X blue, and 1 yellow?" No one knows about the yellow, thinks it is themself, they all commit suicide on the spot.
Some of the questions incorporate a "new idea" or allow you to change elements. Triangle boxes, prisoners who can make requests, tired tennis players.... I introduced a yellow dot or am I supposed to change the variables to two?
Edit: had a paren instead of opening quote.
In a classroom with 30 people right now and I couldn't tell you how many of each gender there are unless I actively try. If that meant certain death, why would I count?
The distinction comes naturally to some people, it's a real struggle for others.