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