( ( NON-FLOWERING PLANTS ) ( ( Plants ( that ( ( do NOT ) ( produce seeds ) ) ) ) . ) )
(ROOT (S (NP (JJ NON-FLOWERING) (NNS PLANTS)) (VP (VBZ Plants) (SBAR (IN that) (SINV (VBP do) (NP (NNP NOT)) (VP (VB produce) (NP (NNS seeds)))))) (. .)))
NON-FLOWERING PLANTS Plants that do NOT produce seeds.
(ROOT (S (NP (NP (DT A) (NN method)) (PP (IN of) (NP (NP (JJ sexual) (NN reproduction)) (SBAR (WHNP (WDT that)) (S (VP (VBZ occurs) (PP (IN in) (NP (NNS plants))))))))) (VP (MD can) (VP (VB be) (VP (VBN described) (SBAR (IN as) (S (NP (NNS seeds)) (VP (VBP are) (VP (VBN produced) (PP (IN from) (NP (NP (DT the) (NN flower)) (PP (IN of) (NP (DT the) (NN plant)))))))))))) (. .)))