( Angiosperms ( ( are ( ( seed-producing plants ) ( that ( ( ( produce flowers ) and ) ( have ( enclosed seeds ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Angiosperms)) (VP (VBP are) (NP (NP (JJ seed-producing) (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBP produce) (NP (NNS flowers))) (CC and) (VP (VBP have) (VP (VBN enclosed) (NP (NNS seeds))))))))) (. .)))
Angiosperms are seed-producing plants that produce flowers and have enclosed seeds.
(ROOT (S (NP (NNS Angiosperms)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (VBG flowering) (NN seed) (NNS plants))))) (. .)))