What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, if x_7 sleeps, then x_7 is rich. For all x_7, x_7 will write a letter or x_7 will sleep. For all x_7, x_7 will not write a letter or x_7 is a lawyer. For all x_7, if x_7 were a lawyer, then x_7 is rich. For all x_7, x_7 is a writer.
For all x_7, x_7 will sleep or x_7 is a lawyer.