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, x_5 is not a politician or x_5 will listen to a song. There is at least one x_5 for which x_5 is a sailor or x_5 is a politician. For all x_5, x_5 is not a sailor or x_5 is a scientist. For all x_5, x_5 is not a scientist or x_5 is an astronaut.
There is at least one x_5 for which x_5 is a politician or x_5 is a scientist.