What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 is an astronaut or x_8 is a janitor. Joseph is not excited or it is snowing. Joseph is not a janitor or Jennifer is an office clerk. For all x_8, x_8 is not an astronaut or x_8 is excited.
For all x_8, x_8 is a janitor or x_8 is excited.