( ( This respect ) ( ( must ( have ( ( been ( similar ( to ( ( the feelings ) ( of ( a child ) ) ) ) ) ) ( for ( its parents ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NN respect)) (VP (MD must) (VP (VB have) (VP (VBN been) (ADJP (JJ similar) (PP (TO to) (NP (NP (DT the) (NNS feelings)) (PP (IN of) (NP (DT a) (NN child)))))) (PP (IN for) (NP (PRP$ its) (NNS parents)))))) (. .)))
This respect must have been similar to the feelings of a child for its parents.
(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)))))) (. .)))