( ( In ( both ( ferns ( and ( seed plants ) ) ) ) ) ( , ( ( the sporophyte ) ( ( is ( the ( ( visibly dominant ) generation ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (DT both) (NNS ferns) (CC and) (NN seed) (NNS plants))) (, ,) (NP (DT the) (NN sporophyte)) (VP (VBZ is) (NP (DT the) (ADJP (RB visibly) (JJ dominant)) (NN generation))) (. .)))
In both ferns and seed plants, the sporophyte is the visibly dominant generation.
(ROOT (S (NP (DT The) (JJ sporophyte) (NN stage)) (VP (VBZ is) (NP (NP (DT the) (JJ dominant) (NN stage)) (PP (IN of) (NP (NP (DT the) (NN lifecycle)) (PP (IN of) (NP (DT a) (NN fern))))))) (. .)))