Those people look to be on a moped. I’m not sure any of those squares contain any part of a motorcycle.
Discussion
Wow, you think they expect people to know the difference between a moped and a motorcycle?
My father was a motorcycle rider and I grew up in a country of mopeds. The distinction of the presence or lack of pedals was an important one. I suppose it might not be to most captcha writers or captcha clickers. (Captchors and captchees?)
Yes, you have to literally figure out what goes on in those captcha writers heads... How OCD are they???