What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_15, x_15 will not read a book or x_15 will drink water. If Jennifer plays tennis, then Susan is not drinking water. For all x_15, x_15 will read a book or x_15 is a sailor. For all x_15, x_15 is not a sailor.
For all x_15, x_15 is a sailor or x_15 will drink water.