Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Minneapolis Grain Exchange - The Minneapolis Grain Exchange (MGEX) was formed in 1881 in Minneapolis Minnesota as a regional cash marketplace to promote fair trade and to prevent trade abuses in wheat oats and corn.MGEX has been the principal market for Hard Red Spring Wheat (HRSW) since 1881 offering futures and options contracts based on its unique commodity. HRSW is one of the highest-protein wheats. It is found in bagels pizzas high-quality breads and cereals and some noodles and cookies.
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Building