What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all z, if z plays a game, then z is reading a book. For all z, if z reads a book, then z is running. For all z, if z reads a book, then z is running. For all z, if z goes running, then z is playing a game.
For all z, if z plays a game, then z is running. For all z, if z plays a game, then z is running. For all z, if z reads a book, then z is playing a game. For all z, if z reads a book, then z is playing a game. For all z, if z goes running, then z is reading a book.