on both sides it falls short 
(ROOT (S (PP (IN on) (NP (DT both) (NNS sides))) (NP (PRP it)) (VP (VBZ falls) (ADVP (JJ short)))))
(ROOT (S (PP (IN ) (NP (DT ) (NNS ))) (NP (PRP )) (VP (VBZ ) (ADVP (JJ )))))