What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Thomas is running if and only if Charles is driving a car. If Jennifer were a politician, then Patricia is working. If Patricia works, then Charles is driving a car.
If Jennifer were a politician, then Charles is driving a car. If Thomas goes running, then Charles is driving a car. If Charles drives a car, then Thomas is running.