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 a bartender or x_5 will play squash. For all x_5, x_5 is not a bartender or x_5 will write a letter. David is not playing squash or Elisabeth is a politician.
For all x_5, x_5 will play squash or x_5 will write a letter.