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_3 for which x_3 will not sleep or x_3 is an electrician. For all x_3, x_3 is not a politician or x_3 is a musician. For all x_3, x_3 will sleep or x_3 is a politician.
There is at least one x_3 for which x_3 is a politician or x_3 is an electrician.