What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_9, x_9 will drink water if and only if x_9 is a soldier. For all x_9, x_9 is not a soldier. There is at least one x_9 for which x_9 will cook if and only if x_9 will drink water.
For all x_9, if x_9 drinks water, then x_9 is a soldier. There is at least one x_9 for which if x_9 cooks, then x_9 is drinking water. For all x_9, if x_9 were a soldier, then x_9 is drinking water. There is at least one x_9 for which if x_9 drinks water, then x_9 is cooking. For all x_9, x_9 will not drink water.