What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_5, if x_5 were an electrician, then x_5 is a police officer. For all x_5, if x_5 were a politician, then x_5 is not listening to a song. For all x_5, x_5 will listen to a song. For all x_5, if x_5 were a police officer, then x_5 is a politician.
For all x_5, x_5 is not a politician. For all x_5, if x_5 were an electrician, then x_5 is a politician.