Justification Form 1:

Reason: I forgot.

Counter-Justification: That's not true, I'm pretty sure I didn't.

More Justifications

Justification Form 2:

Reason: I was distracted.

Counter-Justification: Not by a cat, though.

Next Justification

Justification Form 3:

Reason: I was on a break.

Counter-Justification: A break from what, exactly?

Counter-Reasoning Form