( ( Most ( modern ( seed plants ) ) ) ( ( are ( angiosperms ( that ( produce ( seeds ( in ( ( the ovaries ) ( of flowers ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (RBS Most) (JJ modern) (NN seed) (NNS plants)) (VP (VBP are) (NP (NP (NNS angiosperms)) (SBAR (WHNP (WDT that)) (S (VP (VBP produce) (NP (NP (NNS seeds)) (PP (IN in) (NP (NP (DT the) (NNS ovaries)) (PP (IN of) (NP (NNS flowers))))))))))) (. .)))
Most modern seed plants are angiosperms that produce seeds in the ovaries of flowers.
(ROOT (S (NP (NNS Angiosperms)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (VBG flowering) (NN seed) (NNS plants))))) (. .)))