It is similar with members low on the ladder of rank.
( It ( ( ( ( is ( similar ( with members ) ) ) low ) ( on ( ( the ladder ) ( of rank ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJ similar) (PP (IN with) (NP (NNS members)))) (ADVP (JJ low)) (PP (IN on) (NP (NP (DT the) (NN ladder)) (PP (IN of) (NP (NN rank)))))) (. .)))
It isn't uncommon with members of low rank.
( It ( ( ( is n't ) ( uncommon ( with ( members ( of ( low rank ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (RB n't) (ADJP (JJ uncommon) (PP (IN with) (NP (NP (NNS members)) (PP (IN of) (NP (JJ low) (NN rank))))))) (. .)))