( Subjects ( ( are ( ( split up ) ( into ( ( ( ( 7 subjects ) ( with ( ( ( ( ( ( ( ( ( ( ( a ( compulsory ( social science ) ) ) , ) ( natural science ) ) , ) ( native language ) ) , ) mathematics ) , ) TOK ) and ) ( secondary language ) ) ) ) and ) ( ( ( another ( further elective ) ) ( of ( any ( of ( the ( previous ( mentioned fields ) ) ) ) ) ) ) ( of study ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Subjects)) (VP (VBP are) (VP (VBN split) (PRT (RP up)) (PP (IN into) (NP (NP (NP (CD 7) (NNS subjects)) (PP (IN with) (NP (NP (DT a) (JJ compulsory) (JJ social) (NN science)) (, ,) (NP (JJ natural) (NN science)) (, ,) (NP (JJ native) (NN language)) (, ,) (NP (NNS mathematics)) (, ,) (NP (NNP TOK)) (CC and) (NP (JJ secondary) (NN language))))) (CC and) (NP (NP (DT another) (JJ further) (NN elective)) (PP (IN of) (NP (NP (DT any)) (PP (IN of) (NP (DT the) (JJ previous) (CD mentioned) (NNS fields))))) (PP (IN of) (NP (NN study)))))))) (. .)))
Subjects are split up into 7 subjects with a compulsory social science, natural science, native language, mathematics, TOK and secondary language and another further elective of any of the previous mentioned fields of study.
(ROOT (S (NP (NP (DT The) (NN field)) (PP (IN of) (NP (NP (NN study)) (VP (VBN known) (PP (IN as) (NP (NNS mathematics))))))) (VP (VBZ is) (VP (VBN called) (NP (NP (DT the) (NN language)) (PP (IN of) (NP (NN science)))))) (. .)))