( There ( ( are ( ( ( three ( major clades ) ) and ) ( ( one ( minor clade ) ) ( in ( ( the ( Orion Arm ) ) ( of ( the galaxy ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD three) (JJ major) (NNS clades)) (CC and) (NP (NP (CD one) (JJ minor) (NN clade)) (PP (IN in) (NP (NP (DT the) (JJ Orion) (NN Arm)) (PP (IN of) (NP (DT the) (NN galaxy)))))))) (. .)))
There are three major clades and one minor clade in the Orion Arm of the galaxy.
(ROOT (S (NP (DT A) (NN clade)) (VP (VBZ is) (NP (NP (CD one) (NN way)) (PP (IN of) (NP (VBG classifying) (NNS organisms))))) (. .)))