What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, x_6 will read a book. For all x_6, if x_6 works, then x_6 is playing tennis. For all x_6, x_6 is an artist. For all x_6, if x_6 were an artist, then x_6 is working.
For all x_6, x_6 will work. For all x_6, if x_6 were an artist, then x_6 is playing tennis. For all x_6, x_6 will read a book and x_6 is an artist. For all x_6, x_6 is an artist and x_6 will read a book.