What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Michael is taking a plane if and only if Patricia is drinking water. Michael is not taking a plane. John is driving a car if and only if Michael is taking a plane. If John drives a car, then Patricia is drinking water.
If Michael takes a plane, then Patricia is drinking water. If John drives a car, then Michael is taking a plane. If Patricia drinks water, then Michael is taking a plane. If Michael takes a plane, then John is driving a car. Patricia is not drinking water. John is not driving a car.