What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_16, x_16 is a nurse or x_16 will play a game. There is at least one x_16 for which if x_16 were a nurse, then x_16 is writing a letter. For all x_16, if x_16 plays a game, then x_16 is writing a letter. For all x_16, if x_16 writes a letter, then x_16 is a scientist. For all x_16, x_16 will read a book.
For all x_16, if x_16 plays a game, then x_16 is a scientist. There is at least one x_16 for which if x_16 were a nurse, then x_16 is a scientist. There is at least one x_16 for which x_16 will write a letter.