What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? It is sunny or it is not raining. Sarah is playing a game if and only if it is raining. Sarah is not playing a game. If it is sunny, then it is raining.
If it rains, then it is sunny. If Sarah plays a game, then it is raining. If it rains, then Sarah is playing a game. It is not raining.