What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? q_16 -> p_16. s_3 -> s_1. q_16 -> s_3. p_16 -> q_16. s_1 -> p_16.
s_3 -> p_16. q_16 -> s_1. p_16 -> s_3. s_1 -> q_16. q_16 <-> p_16. p_16 <-> q_16.