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, x_5 will cook. For all x_5, if x_5 cooks, then x_5 is a taxi driver. For all x_5, if x_5 were a nurse, then x_5 is reading a book. For all x_5, if x_5 were a taxi driver, then x_5 is a nurse.
For all x_5, x_5 is a taxi driver. For all x_5, if x_5 cooks, then x_5 is a nurse. For all x_5, if x_5 were a taxi driver, then x_5 is reading a book.