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, x_10 is a sailor if and only if x_10 is a writer. For all x_10, x_10 will not work. For all x_10, if x_10 were an artist, then x_10 is a sailor. For all x_10, x_10 will work or x_10 is an artist.
For all x_10, x_10 is an artist. For all x_10, if x_10 were a sailor, then x_10 is a writer. For all x_10, if x_10 were a writer, then x_10 is a sailor.