( ( ( ( ( Organisms ( have ( ( many characteristics ) ( in common ) ) ) ) , ) but ) ( it ( ( is easier ) ( to ( decide ( ( ( whether or ) not ) ( something ( ( is alive ) ( than ( it ( is ( to ( define life ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNS Organisms)) (VP (VBP have) (NP (NP (JJ many) (NNS characteristics)) (PP (IN in) (NP (JJ common)))))) (, ,) (CC but) (S (NP (PRP it)) (VP (VBZ is) (ADJP (JJR easier)) (S (VP (TO to) (VP (VB decide) (SBAR (IN whether) (CC or) (RB not) (S (NP (NN something)) (VP (VBZ is) (ADJP (JJ alive)) (SBAR (IN than) (S (NP (PRP it)) (VP (VBZ is) (S (VP (TO to) (VP (VB define) (NP (NN life)))))))))))))))) (. .)))
Organisms have many characteristics in common, but it is easier to decide whether or not something is alive than it is to define life.
(ROOT (S (NP (NP (NN Something)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (NP (NP (DT all)) (PP (IN of) (NP (NP (DT the) (NNS characteristics)) (PP (IN of) (NP (NN life)))))))))) (VP (VBZ is) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (ADJP (JJ alive))))))) (. .)))