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 will not read a book. For all x_5, if x_5 sleeps, then x_5 is reading a book. For all x_5, x_5 will sleep or x_5 is rich.
For all x_5, x_5 will not sleep.