What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Karen is playing a game if and only if it is raining. Karen is playing a game if and only if it is raining.
If Karen plays a game, then it is raining. If Karen plays a game, then it is raining. If it rains, then Karen is playing a game. If it rains, then Karen is playing a game.