( ( ( THE ( WAY ( WE WERE ) ) ) ( ( EUKARYOTE ( ( ( ( ( ( More ( ( than 600 ) million ) ) years ) ago ) , ) and ) ( ( perhaps as ) long ) ) ) ( as ( a billion ) ) ) ) ( , ( ( the ( eukaryote cell ) ) ( first ( appeared . ) ) ) ) )
(ROOT (S (S (NP (DT THE) (NNP WAY) (NNP WE) (NNP WERE)) (VP (VBP EUKARYOTE) (ADVP (ADVP (NP (QP (JJR More) (IN than) (CD 600) (CD million)) (NNS years)) (IN ago)) (, ,) (CC and) (ADVP (ADVP (RB perhaps)) (RB as) (RB long))) (PP (IN as) (NP (QP (DT a) (CD billion)))))) (, ,) (NP (DT the) (JJ eukaryote) (NN cell)) (ADVP (RB first)) (VP (VBD appeared)) (. .)))
THE WAY WE WERE EUKARYOTE More than 600 million years ago, and perhaps as long as a billion, the eukaryote cell first appeared.
(ROOT (S (NP (DT The) (JJ first) (VBG living) (NNS cells)) (VP (MD may) (VP (VB have) (VP (VBN evolved) (ADVP (NP (QP (RB around) (CD 4) (CD billion)) (NNS years)) (RB ago))))) (. .)))