Why was Kellogg making bread dough one day?

Directions: Read the passage and answer the question that follows.

Nobody knew that one of America's first beloved cereals was invented by accident. It all started with Will Keith Kellogg, his interest in medicine and a bout of forgetfulness. Kellogg used to help his brother, who worked as a doctor at the Battle Creek Sanitarium in Michigan, with patients and their diets. One day he was conducting research with his brother and helping cook meals for patients, Kellogg stumbled upon a discovery that would change his life. Responsible for making bread dough one day, Kellogg accidentally left his main ingredient, boiled wheat, sitting out for several hours. When he came back to roll the ingredient into dough, the wheat became flaky. Curious to see what would happen, Kellogg baked the flaky dough anyway, creating a crunchy and flaky snack. The flakes were a hit with patients, so Kellogg embarked on a mission to enhance the product for large-scale sale. Will Kellogg tinkered with his recipe and finally settled on using corn as a main ingredient for the flakes. He launched his business, 'The Battle Creek Toasted Corn Flakes Company', in 1906, which eventually came to be known as the Kellogg's company that sells Corn Flakes, other cereals and convenience foods today.