I want to translate:
"I gave my little sister a doll for her birthday".
I do not want to use
私 but imply that I did it, so the right particles are crucial.
I've come this far, but I'm not sure about the particle
は which I chose basically because it was the most likely one that was left.
My original choice was
誕生日に but then I would have two
How can I say "for occasion"?