What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_5, x_5 is a soldier. For all x_5, if x_5 were a soldier, then x_5 is cooking. For all x_5, x_5 is a scientist if and only if x_5 will cook.
For all x_5, x_5 will cook. For all x_5, if x_5 were a scientist, then x_5 is cooking. For all x_5, if x_5 cooks, then x_5 is a scientist.