he or she
You can't tell from this sentence
They need to be more specific and less picky for sure.
You can use either he or she in this case.
I think, for example, "He writes me everyday." is a correct english sentence. Starting from this point, I assume "He has decided to write us all." should also be a correct english translation for the given italian sentence, no?
'... to us all' is accepted. Duo has become an English owl.
Pisses me off - i find the male voice very difficult to understand especially when it comes to "ha" vs "e" - things like that