Unless the test of "human-ness" is the ability to drag a slider, or whoever it is that you interact with the captcha, picking the least swirled of a set of imag

Unless the test of "human-ness" is the ability to drag a slider, or whoever it is that you interact with the captcha, picking the least swirled of a set of images is solving the captcha because that is the test of human-ness. This seems fairly cut and dry to me.