( ( ( Social organization ) ( of ( some kind ) ) ) ( ( is ( common ( to ( all animals ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Social) (NN organization)) (PP (IN of) (NP (DT some) (NN kind)))) (VP (VBZ is) (ADJP (JJ common) (PP (TO to) (NP (DT all) (NNS animals))))) (. .)))
Social organization of some kind is common to all animals.
(ROOT (S (PP (IN For) (NP (JJ social) (NNS animals))) (, ,) (NP (NN communication)) (VP (VBZ essential)) (. .)))