( ( These insects ) ( ( reproduce sexually ) . ) )
(ROOT (S (NP (DT These) (NNS insects)) (VP (VB reproduce) (ADVP (RB sexually))) (. .)))
These insects reproduce sexually.
(ROOT (S (NP (NNS Reptiles)) (ADVP (RB typically)) (VP (VB reproduce) (ADVP (RB sexually))) (. .)))