Premise: 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.

Hypothesis: In 1920 Malaya produced the majority of rubber in the world, beating out tin for how much money it made the country.
Relation: entailment