What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, if x_10 were a taxi driver, then x_10 is a bartender. For all x_10, if x_10 were a writer, then x_10 is a taxi driver. For all x_10, if x_10 listens to a song, then x_10 is a writer. There is at least one x_10 for which x_10 is not a taxi driver. For all x_10, if x_10 were a bartender, then x_10 is listening to a song.
There is at least one x_10 for which x_10 is not a writer. For all x_10, if x_10 were a taxi driver, then x_10 is listening to a song. For all x_10, if x_10 were a writer, then x_10 is a bartender. For all x_10, if x_10 listens to a song, then x_10 is a taxi driver. For all x_10, if x_10 were a bartender, then x_10 is a writer.