At first glance, this puzzle seems incredibly simple: three pairs of eyes labeled A, B, and C, with one question—which pair belongs to a man? Most people immediately begin studying the eyelashes, eyebrows, and shape of each eye, convinced that one tiny detail will reveal the answer.

Option A can easily fool you. The eyes have prominent lashes, but eyelashes alone aren’t a reliable clue. Option B creates the same problem, with relatively delicate features that may push some people toward assuming they belong to a woman. The puzzle is deliberately designed to make those first impressions unreliable.

The strongest visual clue appears in option C. Compared with the other two choices, the eyebrows look thicker and less shaped, while the area surrounding the eyes has a heavier appearance. Those details are what the puzzle expects viewers to notice rather than focusing exclusively on the eyelashes.

So if you’re playing according to the puzzle’s intended visual clues, the answer is C. The third pair of eyes is presented as the man’s eyes, while A and B are the distractors meant to make you second-guess your first choice.

Of course, in real life you cannot reliably determine whether someone is a man or woman simply by looking at their eyes. But as a visual puzzle built around stereotypical appearance cues, C is the intended answer. If you spotted it within 30 seconds, you solved the challenge.