( ( Since ( ( alkene ( geometric isomers ) ) ( ( are also ) ( classified ( as diastereomers ) ) ) ) ) ( , ( ( this reaction ) ( ( ( would also ) ( be ( called diastereoselective ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Since) (S (NP (JJ alkene) (NN geometric) (NNS isomers)) (VP (VBP are) (ADVP (RB also)) (VP (VBN classified) (PP (IN as) (NP (NNS diastereomers))))))) (, ,) (NP (DT this) (NN reaction)) (VP (MD would) (ADVP (RB also)) (VP (VB be) (VP (VBN called) (S (ADJP (JJ diastereoselective)))))) (. .)))
Since alkene geometric isomers are also classified as diastereomers, this reaction would also be called diastereoselective.
(ROOT (S (NP (NP (NNS Alkenes)) (PP (IN with) (NP (NP (DT the) (JJ same) (NNS atoms)) (PP (CC but) (NP (JJ different) (NNS shapes)))))) (VP (VBP are) (VP (VBN called) (NP (NNS isomers)))) (. .)))