What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_2, if x_2 drinks water, then x_2 is a sailor. For all x_2, x_2 will drink water or x_2 is not a sailor. Susan is not drinking water.
For all x_2, if x_2 were a sailor, then x_2 is drinking water.