( ( Human beings ) ( ( are ( ( ( genus Homo ) , ) ( species ( sapiens ( , ( binomially ( Homo sapiens ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Human) (NNS beings)) (VP (VBP are) (NP (NP (JJ genus) (NN Homo)) (, ,) (NP (NP (NNS species)) (NP (JJ sapiens) (, ,) (JJ binomially) (NN Homo) (NNS sapiens))))) (. .)))
Human beings are genus Homo, species sapiens, binomially Homo sapiens.
(ROOT (S (NP (NNS Humans)) (VP (VBP belong) (PP (TO to) (NP (DT the) (NN species) (NN homo) (NN sapiens)))) (. .)))