Complex sentence: Okolehao's forerunner was a fermented ti root beverage or beer; when distillation techniques were introduced by English seamen in 1790, it was distilled into a highly alcoholic spirit.
Split into simpler sentences: Okolehao's forerunner was a fermented ti root beverage or beer. When distillation techniques were introduced by English seamen in 1790, it was distilled into a highly alcoholic spirit.