What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: For all x_5, x_5 is bored if and only if x_5 will drink water. For all x_5, if x_5 were a poet, then x_5 is bored. For all x_5, if x_5 drinks water, then x_5 is a poet.
For all x_5, if x_5 drinks water, then x_5 is bored can be inferred via the universal transitivity rule. For all x_5, if x_5 were bored, then x_5 is drinking water can be inferred via the universal biconditional elimination rule. For all x_5, if x_5 drinks water, then x_5 is bored can be inferred via the universal biconditional elimination rule.