( RAT ( ( A rat ) ( ( is ( ( a rodent ) ( with ( a ( long tail ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB RAT)) (NP (DT A) (NN rat)) (VP (VBZ is) (NP (NP (DT a) (NN rodent)) (PP (IN with) (NP (DT a) (JJ long) (NN tail))))) (. .)))
RAT A rat is a rodent with a long tail.
(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))) (. .)))