What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, if x_12 drives a car, then x_12 is sad. There is at least one x_12 for which x_12 will drive a car. For all x_12, if x_12 were sad, then x_12 is a politician.
There is at least one x_12 for which x_12 is sad. For all x_12, if x_12 drives a car, then x_12 is a politician.