tear ducts does n't mean it 's good enough for our girls 
(ROOT (S (NP (VB tear) (NNS ducts)) (VP (VBZ does) (RB n't) (VP (VB mean) (SBAR (S (NP (PRP it)) (VP (VBZ 's) (ADJP (JJ good) (RB enough) (PP (IN for) (NP (PRP$ our) (NNS girls)))))))))))
(ROOT (S (NP (VB ) (NNS )) (VP (VBZ ) (RB ) (VP (VB ) (SBAR (S (NP (PRP )) (VP (VBZ ) (ADJP (JJ ) (RB ) (PP (IN ) (NP (PRP$ ) (NNS )))))))))))