What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_14, x_14 is a carpenter if and only if x_14 is bored. There is at least one x_14 for which if x_14 were bored, then x_14 is a carpenter. For all x_14, x_14 is bored if and only if x_14 is a carpenter.
For all x_14, if x_14 were a carpenter, then x_14 is bored. For all x_14, if x_14 were bored, then x_14 is a carpenter. For all x_14, if x_14 were bored, then x_14 is a carpenter. For all x_14, if x_14 were a carpenter, then x_14 is bored.