( ( ( ( ( All ( of ( ( the ( other elements ) ) ( such ( as ( carbon ( , ( nitrogen ( , ( ( oxygen and ) iron ) ) ) ) ) ) ) ) ) ) , ) ( ( the elements ) ( that ( make ( life possible ) ) ) ) ) , ) ( ( are ( ( ( mere ( trace elements ) ) and ) ( very ( rare ( in ( the cosmos ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT All)) (PP (IN of) (NP (NP (DT the) (JJ other) (NNS elements)) (PP (JJ such) (IN as) (NP (NN carbon) (, ,) (NN nitrogen) (, ,) (NN oxygen) (CC and) (NN iron)))))) (, ,) (NP (NP (DT the) (NNS elements)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (S (NP (NN life)) (ADJP (JJ possible))))))) (, ,)) (VP (VBP are) (UCP (NP (JJ mere) (NN trace) (NNS elements)) (CC and) (ADJP (RB very) (JJ rare) (PP (IN in) (NP (DT the) (NNS cosmos)))))) (. .)))
All of the other elements such as carbon, nitrogen, oxygen and iron, the elements that make life possible, are mere trace elements and very rare in the cosmos.
(ROOT (S (NP (DT All) (NN life)) (VP (VBZ is) (VP (VBN built) (PP (IN around) (NP (DT the) (NN element) (NN carbon))))) (. .)))