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, x_12 will drink water if and only if x_12 is a doctor. For all x_12, if x_12 were an electrician, then x_12 is a doctor. There is at least one x_12 for which x_12 is an electrician or x_12 will drink water. For all x_12, x_12 will drive a car.
For all x_12, if x_12 drinks water, then x_12 is a doctor. For all x_12, if x_12 were a doctor, then x_12 is drinking water.