( ( All humans ) ( ( belong ( to ( ( ( the ( same ( single species ) ) ) , ) ( Homo sapiens ) ) ) ) . ) )
(ROOT (S (NP (DT All) (NNS humans)) (VP (VBP belong) (PP (TO to) (NP (NP (DT the) (JJ same) (JJ single) (NN species)) (, ,) (NP (NN Homo) (NNS sapiens))))) (. .)))
All humans belong to the same single species, Homo sapiens .
(ROOT (S (NP (NNS Humans)) (VP (VBP belong) (PP (TO to) (NP (DT the) (NN species) (NN homo) (NN sapiens)))) (. .)))