What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 is fast if and only if x_8 is a politician. For all x_8, x_8 is fast or x_8 will take a plane. For all x_8, x_8 is not a politician. For all x_8, x_8 will play a game.
For all x_8, if x_8 were fast, then x_8 is a politician. For all x_8, if x_8 were a politician, then x_8 is fast. For all x_8, x_8 is not fast.