What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_12 for which if x_12 sleeps, then x_12 is not happy. For all x_12, x_12 is a janitor or x_12 is bored. For all x_12, x_12 will sleep if and only if x_12 is a lawyer. For all x_12, if x_12 were bored, then x_12 is happy. For all x_12, if x_12 were a janitor, then x_12 is happy.
For all x_12, x_12 is happy. For all x_12, if x_12 sleeps, then x_12 is a lawyer. For all x_12, if x_12 were a lawyer, then x_12 is sleeping.