<s5>Æliens</s5> -- topical slide(s)

goal(s) -- word(s) / slide(s) / education(s) / cycle(s)

expert(s) -- goal
maze(s) -- goal
serious(s) -- goal
politic(s) -- goal
ethic(s) -- goal
common(s) -- goal
hack(s) -- goal

.. / play / / machine(s) / art(s) / change(s) / human(s) / theme(s) / _ / .