OK - so why does Duo reject "I'm eating the meat with mushrooms"?
Duo's proposed alternatives are
"I am eating meat with mushrooms" and "I eat meat with mushrooms".
Stupid fast swipe keyboard & me being in a rush: I'm eating meat with museums.
No matter how many times I locate on it, it sounds like jemy to me as you've noticed by now. I'ts not that I don't know, I misinterpret what's said.