What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? ~p_9. p_9 <-> q_9. ~s_3. s_3 <-> t.
~p_9 and ~s_3. ~s_3 and ~p_9. p_9 -> q_9. s_3 -> t. q_9 -> p_9. t -> s_3. ~q_9. ~t.