( ( Vascular plants ) ( ( are ( those ( with ( vascular tissue ) ) ) ) . ) )
(ROOT (S (NP (NNP Vascular) (NNS plants)) (VP (VBP are) (NP (NP (DT those)) (PP (IN with) (NP (NN vascular) (NN tissue))))) (. .)))
Vascular plants are those with vascular tissue.
(ROOT (S (NP (NP (JJ Present-day) (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (DT a) (JJ complex) (NN vascular) (NN tissue) (NN system)))))) (VP (VBP are) (VP (VBN called) (NP (NN vasuluar) (NNS plants)))) (. .)))