What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Jennifer is not playing a game. Jennifer is playing a game if and only if Sarah is cooking. If Michael plays squash, then Sarah is cooking. If Linda were a taxi driver, then Michael is playing squash.
If Jennifer plays a game, then Sarah is cooking. If Sarah cooks, then Jennifer is playing a game. Sarah is not cooking.