( ( The ( new ones ) ) ( ( must ( be ( ( ( ( considered instead ) ( as ( synthetic fuels ) ) ) , ) ( meaning ( that ( they ( must ( be ( artificially ( processed ( to ( ( separate ( the hydrocarbons ) ) ( from ( ( the ( mineral matrices ) ) ( ( in which ) ( they ( are ( locked up ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ new) (NNS ones)) (VP (MD must) (VP (VB be) (VP (VBN considered) (ADVP (RB instead)) (PP (IN as) (NP (JJ synthetic) (NNS fuels))) (, ,) (S (VP (VBG meaning) (SBAR (IN that) (S (NP (PRP they)) (VP (MD must) (VP (VB be) (ADJP (RB artificially) (VBN processed) (S (VP (TO to) (VP (VB separate) (NP (DT the) (NNS hydrocarbons)) (PP (IN from) (NP (NP (DT the) (NN mineral) (NNS matrices)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (PRP they)) (VP (VBP are) (VP (VBN locked) (PRT (RP up))))))))))))))))))))) (. .)))
The new ones must be considered instead as synthetic fuels, meaning that they must be artificially processed to separate the hydrocarbons from the mineral matrices in which they are locked up.
(ROOT (S (NP (DT A) (JJ synthetic) (NN diamond)) (VP (VBZ is) (RB not) (VP (VBN considered) (NP (DT a) (NN mineral)) (SBAR (IN because) (S (NP (NNS minerals)) (VP (MD must) (VP (VB be) (VP (VBN created) (ADVP (RB naturally))))))))) (. .)))