( ( Most invertebrates ) ( ( reproduce sexually ) . ) )
(ROOT (S (NP (JJS Most) (NNS invertebrates)) (VP (VB reproduce) (ADVP (RB sexually))) (. .)))
Most invertebrates reproduce sexually.
(ROOT (S (NP (JJS Most) (NN fish)) (VP (VB reproduce) (PP (IN with) (NP (CD one) (DT another))) (ADVP (RB sexually))) (. .)))