What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all z_3, if z_3 drinks water, then z_3 is a sailor. For all z_3, z_3 will not drink water. For all z_3, z_3 will drink water if and only if z_3 is a sailor. For all z_3, if z_3 goes running, then z_3 is a sailor.
For all z_3, if z_3 drinks water, then z_3 is a sailor. For all z_3, if z_3 were a sailor, then z_3 is drinking water. For all z_3, z_3 is not a sailor.