What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_13, if x_13 were a poet, then x_13 is an office clerk. For all x_13, x_13 is an office clerk if and only if x_13 will sleep. For all x_13, if x_13 were excited, then x_13 is bored. For all x_13, x_13 is rich or x_13 is a poet. For all x_13, x_13 is not rich or x_13 is excited. For all x_13, if x_13 were bored, then x_13 is sleeping.
For all x_13, if x_13 were excited, then x_13 is sleeping. For all x_13, x_13 is a poet or x_13 is excited. For all x_13, if x_13 were an office clerk, then x_13 is sleeping. For all x_13, if x_13 sleeps, then x_13 is an office clerk.