Because I'm not a local speaker, I would like to request the assistance of your ELL community. Would be the expression "a damning challenge" neutral enough to work with it in a tutorial context? "Myself X" will not be even grammatically suitable, that is even worse. In any case, why https://petskyonline.com/blog/why-tofu-cat-litter-is-gaining-popularity-in-the-uae/