What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_15 for which x_15 will not play tennis or x_15 is a cashier. For all x_15, x_15 is a writer if and only if x_15 will go running. For all x_15, x_15 will play tennis or x_15 will go running. For all x_15, x_15 is not a writer. For all x_15, if x_15 plays a game, then x_15 is not a cashier.
There is at least one x_15 for which x_15 will go running or x_15 is a cashier. For all x_15, if x_15 were a writer, then x_15 is running. For all x_15, if x_15 goes running, then x_15 is a writer. For all x_15, x_15 will not go running.