What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_13, x_13 will read a book. There is at least one x_13 for which x_13 is a nurse. For all x_13, x_13 will take a plane or x_13 is not a nurse.
Some nurses will read a book. There is at least one x_13 for which x_13 will read a book and x_13 is a nurse. For all x_13, if x_13 were a nurse, then x_13 is taking a plane.