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 is hard to explain the kind of things a child could learn at camp, that could have an effect on their lives.
( It ( ( is ( hard ( to ( explain ( ( the kind ) ( of ( things ( ( a child ) ( could ( learn ( at ( ( camp , ) ( that ( could ( have ( ( an effect ) ( on ( their lives ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJ hard) (S (VP (TO to) (VP (VB explain) (NP (NP (DT the) (NN kind)) (PP (IN of) (NP (NP (NNS things)) (SBAR (S (NP (DT a) (NN child)) (VP (MD could) (VP (VB learn) (PP (IN at) (NP (NP (NN camp)) (, ,) (SBAR (WHNP (WDT that)) (S (VP (MD could) (VP (VB have) (NP (NP (DT an) (NN effect)) (PP (IN on) (NP (PRP$ their) (NNS lives)))))))))))))))))))))) (. .)))