Answer:
Roses are black, when pumpkins turn blue, but go ahead, look behind you. Ah, a scary monster you see, out trick or treating? Trick or treat! You scream at the door, oh look, they're all dead on the floor. Seeping blood, soaked into the ground, but you get distracted, when you hear a spooky sound. You walk inside, past the lifeless bodies, into a room, where you are doomed. You walk slowly backwards, into the arms, of another monster that you know is harm. The monster slashes once, slashes twice, now your'e dead on the floor, on this Halloween night.
Explanation:
OMG HAHAHA IM SUCH A GOOD POET I DESERVE AN AWARD.