What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? James is curious or Robert is playing a game. If Elisabeth reads a book, then Sarah is listening to a song. It is not snowing. If it snows, then Elisabeth is reading a book. If Robert plays a game, then it is cold. If Sarah listens to a song, then it is snowing. If James were curious, then it is cold.
Sarah is not listening to a song. If Elisabeth reads a book, then it is snowing. If it snows, then Sarah is listening to a song. If Sarah listens to a song, then Elisabeth is reading a book. It is cold.