World demand increased with the growth of the motor-car and electrical industries, and sky-rocketed during World War I. By 1920, Malaya was producing 53 percent of the world's rubber, which had overtaken tin as its main source of income.
( ( ( ( ( ( World demand ) ( increased ( with ( ( the growth ) ( of ( ( ( the motor-car ) and ) ( electrical industries ) ) ) ) ) ) ) , ) and ) ( ( sky-rocketed ( during ( ( World ( War I. ) ) ( By 1920 ) ) ) ) ( , ( Malaya ( was ( producing ( ( 53 percent ) ( of ( ( ( ( the ( world 's ) ) rubber ) , ) ( which ( had ( ( overtaken tin ) ( as ( ( its ( main source ) ) ( of income ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP World) (NN demand)) (VP (VBD increased) (PP (IN with) (NP (NP (DT the) (NN growth)) (PP (IN of) (NP (NP (DT the) (NN motor-car)) (CC and) (NP (JJ electrical) (NNS industries)))))))) (, ,) (CC and) (S (S (VP (VBN sky-rocketed) (PP (IN during) (NP (NP (NNP World) (NNP War) (NNP I.)) (PP (NNP By) (NP (CD 1920))))))) (, ,) (NP (NNP Malaya)) (VP (VBD was) (VP (VBG producing) (NP (NP (CD 53) (NN percent)) (PP (IN of) (NP (NP (NP (DT the) (NN world) (POS 's)) (NN rubber)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBD had) (VP (VBN overtaken) (NP (NN tin)) (PP (IN as) (NP (NP (PRP$ its) (JJ main) (NN source)) (PP (IN of) (NP (NN income))))))))))))))) (. .)))
In 1920 Malaya produced the majority of rubber in the world, beating out tin for how much money it made the country.
( ( In 1920 ) ( Malaya ( ( ( ( ( produced ( ( the majority ) ( of rubber ) ) ) ( in ( the world ) ) ) , ) ( ( beating out ) ( tin ( for ( ( ( how much ) money ) ( it ( made ( the country ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (CD 1920))) (NP (NNP Malaya)) (VP (VBD produced) (NP (NP (DT the) (NN majority)) (PP (IN of) (NP (NN rubber)))) (PP (IN in) (NP (DT the) (NN world))) (, ,) (S (VP (VBG beating) (PRT (RP out)) (NP (NP (NN tin)) (PP (IN for) (SBAR (WHNP (WHADJP (WRB how) (JJ much)) (NN money)) (S (NP (PRP it)) (VP (VBD made) (NP (DT the) (NN country)))))))))) (. .)))