What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Joseph drinks water, then Sarah is driving a car. Jennifer is a bartender if and only if Sarah is driving a car. If Jennifer were a bartender, then Joseph is drinking water.
If Jennifer were a bartender, then Sarah is driving a car. If Jennifer were a bartender, then Sarah is driving a car. If Sarah drives a car, then Jennifer is a bartender.