What am I?

gakked from a whole lotta people over the last few days. Most recently ignipes and lacylu42

Which am I?

a) Samurai or geisha?
b) Poptart or muffin?
c) Demon or exorcist?
d) Fork or spoon?
e) Book or movie?
f) Frankenberry or Count Chocula?
g) Silk or leather?
h) Gun or knife?
i) Dog or Cat?
j) Remus or Sirius?
k) Beatles or Stones?
l) Murder or suicide?
m) Strawberries and cream or chocolate cake?
n) Cowboy or Indian?
o) Trick or treat?

And furthermore, what are you?