( ( The parents ) ( ( have ( ( done ( a ( good job ) ) ) ( explaining ( what happened ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS parents)) (VP (VBP have) (VP (VBN done) (NP (DT a) (JJ good) (NN job)) (S (VP (VBG explaining) (SBAR (WHNP (WP what)) (S (VP (VBD happened)))))))) (. .)))
The parents have done a good job explaining what happened.
(ROOT (S (NP (NNP Children)) (VP (VBP resemble) (NP (PRP$ their) (NNS parents)) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP have) (NP (JJ similar) (NN dna)))))) (. .)))