( It ( ( is ( ( becoming clear ) ( that ( ( ( an ( adequate level ) ) ( of ( ( long-chain ( ( highly unsaturated ) ( fatty acids ) ) ) ( in ( the ( nervous system ) ) ) ) ) ) ( is ( required ( for ( optimal ( ( function and ) development ) ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBG becoming) (ADJP (JJ clear)) (SBAR (IN that) (S (NP (NP (DT an) (JJ adequate) (NN level)) (PP (IN of) (NP (NP (JJ long-chain) (ADJP (RB highly) (JJ unsaturated)) (JJ fatty) (NNS acids)) (PP (IN in) (NP (DT the) (JJ nervous) (NN system)))))) (VP (VBZ is) (VP (VBN required) (PP (IN for) (NP (JJ optimal) (NN function) (CC and) (NN development))))))))) (: ;)))
It is becoming clear that an adequate level of long-chain highly unsaturated fatty acids in the nervous system is required for optimal function and development;
(ROOT (S (NP (JJ Unsaturated) (NN fatty) (NNS acids)) (VP (VBP have) (NP (NN bent) (NNS chains))) (. .)))
Unsaturated fatty acids have bent chains.