What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is windy, then Robert is listening to a song. For all x_10, x_10 will listen to a song or x_10 is not a bartender. Charles is not a sailor or Robert is a bartender. Charles is a sailor or it is windy.
It is windy or Robert is a bartender. If Robert plays squash, then Charles is not a sailor. For all x_10, if x_10 were a bartender, then x_10 is listening to a song.