What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all z, z will read a book. There is at least one z for which z will play tennis or z will not read a book. For all z, z will sleep.
For all z, z will read a book and z will sleep. For all z, z will sleep and z will read a book. There is at least one z for which if z reads a book, then z is playing tennis.