What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, x_12 will sleep. For all x_12, x_12 will sleep if and only if x_12 is a police officer. There is at least one x_12 for which x_12 is a soldier. For all x_12, if x_12 were a police officer, then x_12 is sleeping.
Some soldiers will sleep. There is at least one x_12 for which x_12 will sleep and x_12 is a soldier. For all x_12, if x_12 sleeps, then x_12 is a police officer. For all x_12, if x_12 were a police officer, then x_12 is sleeping.