All these exercises seem to be confusing jahon (his/hers/its) with with jevon (yours pl.). At least, the tool tips and the wiki page have it otherwise.

Confused because hovering over "jahon" reveals "his, its, her" but if I use these, they are marked incorrect.

If jahon means "yours" as the translation requires, why not put that in the hints to reduce confusion?

"hers not" was deemed incorrect...