Dear sister,
I love having all of these little demons running around all over your house but seriously, chill out. you need to calm your-kitty down. i get you got a w4p but girl pls stop.
Your sister/brother,
(your name)
The root word is movable because it can stand on it's on as a word, while "im" can not.
Technically the answer would be a
D - considering the audience