I wish to solve CAPTCHA with bicycles, motorcycles etc. in a manner consistent with chaotic good alignment, benevolence, humanitarianism, etc. Shall I select squares that include riders/passengers but not also their conveyance? Was reminded of my uncertainty about this when reading this recent post by @Wilshire to the Technology community.
I don’t include the rider. More confusing are stairs and crosswalks: where do they start and end? Often, there is no crosswalk on the picture but you have to select other road markings to continue. So it doesn’t really matter.