Awwww!
It's not "post-modern poetry."
Have you written modern poetry?
This is repetition with an absurdist twist at the end. If it were presented on a stage, Samuel Beckett might get away with it.
my rating: number 2 Rotten Tomato (see, we get that the "eighth" eight is a pineapple, but we don't care)
Sorry. Go write something about a piano and a pineapple. That might provide a nice juxtapostion that your teacher would appreciate. Compare, contrast, examine, and finish.