( Seeds ( ( are ( ( dispersed primarily ) ( by wind ) ) ) . ) )
(ROOT (S (NP (NNS Seeds)) (VP (VBP are) (VP (VBG dispersed) (ADVP (RB primarily)) (PP (IN by) (NP (NN wind))))) (. .)))
Seeds are dispersed primarily by wind.
(ROOT (S (NP (NP (NNS Seeds)) (PP (IN of) (NP (DT a) (JJ pine) (NN cone)))) (VP (VP (VBP are) (ADVP (RB easily)) (VP (VBN carried) (PP (IN by) (NP (DT the) (NN wind))))) (CC and) (VP (VBD dispersed) (SBAR (IN because) (S (NP (NNS seeds)) (VP (VBP have) (NP (NNS wings))))))) (. .)))