It's hard to explain exactly how camp can change a child's heart.
( It ( ( 's ( hard ( to ( explain ( ( exactly how ) ( camp ( can ( change ( ( a ( child 's ) ) heart ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (ADJP (JJ hard) (S (VP (TO to) (VP (VB explain) (SBAR (WHADVP (RB exactly) (WRB how)) (S (NP (NN camp)) (VP (MD can) (VP (VB change) (NP (NP (DT a) (NN child) (POS 's)) (NN heart))))))))))) (. .)))
It's easy to see that camp has no benefit to children.
( It ( ( 's ( easy ( to ( see ( that ( camp ( has ( ( no benefit ) ( to children ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (ADJP (JJ easy) (S (VP (TO to) (VP (VB see) (SBAR (IN that) (S (NP (NN camp)) (VP (VBZ has) (NP (NP (DT no) (NN benefit)) (PP (TO to) (NP (NNS children)))))))))))) (. .)))