What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, if x_11 goes running, then x_11 is not a politician. For all x_11, x_11 will drive a car or x_11 is a mechanic. For all x_11, x_11 will not drive a car. There is at least one x_11 for which if x_11 were a mechanic, then x_11 is a politician.
For all x_11, x_11 is a mechanic.