Once all parts of "Since no two-story house is a skyscraper and all skyscrapers are elevator buildings, no two-story house is an elevator building," have been adequately identified and listed, what's the next step for determining this syllogism's figure?
◦ Checking the positions of "two-story house."
◦ Checking the positions of "skyscraper."
◦ Checking the positions of "elevator building."