( ( ( ( Most primitive ) type ) ( of ( conducting ( ( cells and ) they ) ) ) ) ( ( ( ( are ( found ( in ( most ( of ( the ( seedless ( vascular plants ) ) ) ) ) ) ) ) and ) ( gymnosperms 2 ) ) . ) )
(ROOT (S (NP (NP (ADJP (RBS Most) (JJ primitive)) (NN type)) (PP (IN of) (S (VP (VBG conducting) (NP (NP (NNS cells)) (CC and) (NP (PRP they))))))) (VP (VP (VBP are) (VP (VBN found) (PP (IN in) (NP (NP (JJS most)) (PP (IN of) (NP (DT the) (JJ seedless) (NN vascular) (NNS plants))))))) (CC and) (VP (VBZ gymnosperms) (NP (CD 2)))) (. .)))
Most primitive type of conducting cells and they are found in most of the seedless vascular plants and gymnosperms 2.
(ROOT (S (NP (NNS Conifers)) (VP (VBP are) (NP (NP (DT the) (ADJP (RBS most) (JJ prevalent)) (NN type)) (PP (IN of) (NP (NNS gymnosperms))))) (. .)))