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, if x_6 reads a book, then x_6 is running. There is at least one x_6 for which x_6 will read a book or x_6 will not work. For all x_6, if x_6 goes running, then x_6 is working.
For all x_6, if x_6 reads a book, then x_6 is working. There is at least one x_6 for which if x_6 works, then x_6 is reading a book.