( Seeds ( ( consist ( of ( ( ( ( an ( endosporic megasporangium ) ) ( surrounded ( by one ) ) ) or ) ( ( two ( sheathing layers ) ) ( -LRB- ( integuments -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Seeds)) (VP (VBP consist) (PP (IN of) (NP (NP (NP (DT an) (JJ endosporic) (NN megasporangium)) (VP (VBN surrounded) (PP (IN by) (NP (CD one))))) (CC or) (NP (NP (CD two) (VBG sheathing) (NNS layers)) (PRN (-LRB- -LRB-) (NP (NNS integuments)) (-RRB- -RRB-)))))) (. .)))
Seeds consist of an endosporic megasporangium surrounded by one or two sheathing layers (integuments).
(ROOT (S (NP (NP (DT The) (NN pleura)) (SBAR (WHNP (WDT that)) (S (VP (VBZ surrounds) (NP (DT the) (NNS lungs)))))) (VP (VBZ consists) (PP (IN of) (NP (CD two) (NNS layers)))) (. .)))