In the 1930s Walter Knott began growing a new strain of berry, the boysenberry, and it soon became a booming enterprise.
Walter Knott created the boysenberry to make the perfect jelly.
mnli hypothesis: Walter Knott created the boysenberry to make the perfect jelly. premise: In the 1930s Walter Knott began growing a new strain of berry, the boysenberry, and it soon became a booming enterprise.