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_5 for which x_5 is not a politician. For all x_5, x_5 is a politician or x_5 will go running. For all x_5, if x_5 were a sailor, then x_5 is not running.
There is at least one x_5 for which x_5 will go running.