Consider the following premises. Sarah is not a nurse. Susan is drinking water if and only if Charles is driving a car. Sarah is a nurse or Charles is not driving a car. Can we infer the following from them? Susan is drinking water.
 From the fact that Sarah is a nurse or Charles is not driving a car we can infer that if Charles drives a car, then Sarah is a nurse. From the fact that if Charles drives a car, then Sarah is a nurse, and that Sarah is not a nurse we can infer that Charles is not driving a car. Finally, from the fact that Susan is drinking water if and only if Charles is driving a car, and that Charles is not driving a car we can infer that Susan is not drinking water, which contradicts that Susan is drinking water. Therefore, the answer is no.