What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, if x_8 were an artist, then x_8 is listening to a song. For all x_8, x_8 will write a letter or x_8 is an artist. For all x_8, if x_8 writes a letter, then x_8 is listening to a song. For all x_8, if x_8 were excited, then x_8 is a sailor. For all x_8, x_8 is excited.
For all x_8, x_8 is a sailor. For all x_8, x_8 will listen to a song.