( ( A vermin ) ( ( can ( be ( ( an insect ) ( , ( arachnid ( , ( arthropod ( , ( worm ( , ( or ( other invertebrate ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN vermin)) (VP (MD can) (VP (VB be) (UCP (NP (DT an) (NN insect)) (, ,) (ADJP (JJ arachnid)) (, ,) (ADJP (JJ arthropod)) (, ,) (ADJP (JJ worm)) (, ,) (CC or) (NP (JJ other) (NN invertebrate))))) (. .)))
A vermin can be an insect, arachnid, arthropod, worm, or other invertebrate.
(ROOT (S (SBAR (IN While) (FRAG (ADJP (JJ similar) (PP (TO to) (NP (NNS insects)))))) (, ,) (NP (NNS arachnids)) (VP (VBP are) (NP (NP (JJ eight-legged) (NNS invertebrates)) (SBAR (WHNP (WDT that)) (S (VP (VBP lack) (NP (NN antennae) (CC or) (NNS wings))))))) (. .)))