Sonoco began recycling newspapers and corrugated boxes in the 1920s, long before concern for the environment and conservation of natural resources became fashionable.
(corrugated boxes in the 1920s; became; fashionable) (Sonoco; began; recycling newspapers) Context(Sonoco began,List([0, 12))):(Sonoco; began recycling; newspapers)
Sonoco began,List([0, 12))
corrugated boxes in the 1920s Sonoco Sonoco
became began began recycling
fashionable
recycling newspapers
newspapers