What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Jessica is playing tennis or it is snowing. If Elisabeth were a musician, then Karen is curious. If it snows, then Robert is playing a game. If Jessica plays tennis, then Elisabeth is a musician. If Karen were curious, then Robert is playing a game.
If Elisabeth were a musician, then Robert is playing a game. If Jessica plays tennis, then Karen is curious.