What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? It is not windy. It is cloudy. If Richard were a cashier, then it is cold. If it is cold, then it is windy.
It is not cold. If Richard were a cashier, then it is windy. It is not windy and it is cloudy. It is cloudy and it is not windy.