A CAPTCHA is defined as a test a human can pass but a computer cannot. Hmm. Is this supposed to be one of those logic problems? Mark cannot pass this test, therefore Mark must not be human.
I give up. I have been trying for 15 minutes. I am not going to start all over, enter my name and email address so I can get a new puzzle. How many options could we possibly have here.
Not mokler and not mokier. Maybe mokjer.