( ( ( ( ( The ( pure elements ) ) , ) ( earth ( , ( air ( , ( fire ( , ( and water ) ) ) ) ) ) ) ) , ) ( ( find ( ( ( themselves ( combined ( into ( ( the variety ) ( of ( substances ( in ( the ( physical world ) ) ) ) ) ) ) ) ) and ) ( they ( would ( like ( to ( be separated ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ pure) (NNS elements)) (, ,) (NP (NN earth) (, ,) (NN air) (, ,) (NN fire) (, ,) (CC and) (NN water)) (, ,)) (VP (VBP find) (SBAR (S (S (NP (PRP themselves)) (VP (VBN combined) (PP (IN into) (NP (NP (DT the) (NN variety)) (PP (IN of) (NP (NP (NNS substances)) (PP (IN in) (NP (DT the) (JJ physical) (NN world))))))))) (CC and) (S (NP (PRP they)) (VP (MD would) (VP (VB like) (S (VP (TO to) (VP (VB be) (ADJP (JJ separated))))))))))) (. .)))
The pure elements, earth, air, fire, and water, find themselves combined into the variety of substances in the physical world and they would like to be separated.
(ROOT (S (NP (NNP Air)) (VP (MD can) (VP (VB be) (VP (VBN separated) (PP (IN into) (NP (JJ several) (NNS elements)))))) (. .)))