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