What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all z_4, z_4 is bored if and only if z_4 will read a book. John is reading a book or John is not bored.
If John were bored, then John is reading a book. For all z_4, if z_4 were bored, then z_4 is reading a book. For all z_4, if z_4 reads a book, then z_4 is bored.