What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, if x_7 plays a game, then x_7 is climbing a mountain. For all x_7, x_7 is not fast. For all x_7, x_7 is fast if and only if x_7 will climb a mountain. There is at least one x_7 for which x_7 will play a game or x_7 is a poet.
For all x_7, if x_7 were fast, then x_7 is climbing a mountain. For all x_7, if x_7 climbs a mountain, then x_7 is fast. For all x_7, x_7 will not climb a mountain.