What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_5, if x_5 takes a plane, then x_5 is reading a book. For all x_5, x_5 will not read a book. For all x_5, if x_5 reads a book, then x_5 is taking a plane.
For all x_5, x_5 will not take a plane. For all x_5, x_5 will take a plane if and only if x_5 will read a book. For all x_5, x_5 will read a book if and only if x_5 will take a plane.