sentence1_binary_parse: ( Then ( we ( ( ( composed ( ( our review ) ( of literature ) ) ) ( about ( ( ( ( ( ( ( ( ( ( ( cloning , ) ( genetic engineering ) ) , ) genes ) , ) DNA ) , ) chromosomes ) , ) and ) ( related ( ethical issues ) ) ) ) ) . ) ) )
sentence1_parse: (ROOT (S (RB Then) (NP (PRP we)) (VP (VBD composed) (NP (NP (PRP$ our) (NN review)) (PP (IN of) (NP (NN literature)))) (PP (IN about) (NP (NP (NN cloning)) (, ,) (NP (JJ genetic) (NN engineering)) (, ,) (NP (NNS genes)) (, ,) (NP (NNP DNA)) (, ,) (NP (NNS chromosomes)) (, ,) (CC and) (NP (JJ related) (JJ ethical) (NNS issues))))) (. .)))
sentence1: Then we composed our review of literature about cloning, genetic engineering, genes, DNA, chromosomes, and related ethical issues.
sentence2_parse: (ROOT (S (NP (NNS Genes)) (VP (VBP are) (VP (VBN composed) (PP (IN of) (NP (NN dna))))) (. .)))
sentence2: Genes are composed of dna.