What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, x_11 is a lawyer or x_11 will not listen to a song. For all x_11, x_11 is a bartender if and only if x_11 is a lawyer. There is at least one x_11 for which x_11 will not listen to a song. For all x_11, if x_11 were a lawyer, then x_11 is listening to a song.
There is at least one x_11 for which x_11 is not a lawyer. For all x_11, if x_11 listens to a song, then x_11 is a lawyer. For all x_11, if x_11 were a bartender, then x_11 is a lawyer. For all x_11, if x_11 were a lawyer, then x_11 is a bartender.