What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Barbara were a carpenter, then it is sunny. If Charles were a cashier, then Barbara is a carpenter. If it snows, then Jessica is running. If Jessica goes running, then Charles is a cashier. If Michael drives a car, then it is snowing.
If Charles were a cashier, then it is sunny. If it snows, then Charles is a cashier. If Jessica goes running, then Barbara is a carpenter. If Michael drives a car, then Jessica is running.