( Rats ( ( ( are ( ( rodents , ) roaches ) ) icky ) ; ) )
(ROOT (S (NP (NNS Rats)) (VP (VBP are) (NP (NP (NNS rodents)) (, ,) (NP (NNS roaches))) (ADVP (RB icky))) (: ;)))
Rats are rodents, roaches icky;
(ROOT (S (NP (NP (DT The) (NN name)) (PP (IN of) (NP (NP (DT the) (NN group)) (SBAR (IN that) (S (NP (NNS rats)) (VP (VBP are) (NP (NP (DT a) (NN part)) (PP (IN of))))))))) (VP (VBZ is) (NP (NNS rodents))) (. .)))