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 reads a book, then x_5 is a soldier. For all x_5, if x_5 were an artist, then x_5 is reading a book. There is at least one x_5 for which x_5 is poor. For all x_5, x_5 will play squash or x_5 is an artist. For all x_5, if x_5 plays squash, then x_5 is a soldier.
For all x_5, if x_5 were an artist, then x_5 is a soldier.