suffers from its timid parsing of the barn-side target of sons trying to breach gaps in their relationships with their fathers . 
(ROOT (S (VP (VBZ suffers) (PP (IN from) (NP (NP (PRP$ its) (JJ timid) (NN parsing)) (PP (IN of) (NP (NP (DT the) (NML (NN barn) (HYPH -) (NN side)) (NN target)) (PP (IN of) (NP (NP (NNS sons)) (VP (VBG trying) (S (VP (TO to) (VP (VB breach) (NP (NP (NNS gaps)) (PP (IN in) (NP (NP (PRP$ their) (NNS relationships)) (PP (IN with) (NP (PRP$ their) (NNS fathers))))))))))))))))) (. .)))
(ROOT (S (VP (VBZ ) (PP (IN ) (NP (NP (PRP$ ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NML (NN ) (HYPH ) (NN )) (NN )) (PP (IN ) (NP (NP (NNS )) (VP (VBG ) (S (VP (TO ) (VP (VB ) (NP (NP (NNS )) (PP (IN ) (NP (NP (PRP$ ) (NNS )) (PP (IN ) (NP (PRP$ ) (NNS ))))))))))))))))) (. )))