What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_13, if x_13 drinks water, then x_13 is not driving a car. For all x_13, x_13 will drive a car. For all x_13, if x_13 sleeps, then x_13 is drinking water. For all x_13, x_13 will sleep or x_13 will climb a mountain. For all x_13, if x_13 drinks water, then x_13 is sleeping.
For all x_13, x_13 will not drink water. For all x_13, x_13 will sleep if and only if x_13 will drink water. For all x_13, x_13 will drink water if and only if x_13 will sleep.