from a riot-control projectile or my own tortured psyche 
(ROOT (PP (IN from) (NP (NP (DT a) (NML (NN riot) (HYPH -) (NN control)) (NN projectile)) (CC or) (NP (PRP$ my) (JJ own) (VBN tortured) (NN psyche)))))
(ROOT (PP (IN ) (NP (NP (DT ) (NML (NN ) (HYPH ) (NN )) (NN )) (CC ) (NP (PRP$ ) (JJ ) (VBN ) (NN )))))