wastes its time on mood rather than 
(ROOT (S (VP (VBZ wastes) (NP (PRP$ its) (NN time)) (PP (PP (IN on) (NP (NN mood))) (CONJP (RB rather) (IN than))))))
(ROOT (S (VP (VBZ ) (NP (PRP$ ) (NN )) (PP (PP (IN ) (NP (NN ))) (CONJP (RB ) (IN ))))))