What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, if x_6 listens to a song, then x_6 is reading a book. There is at least one x_6 for which x_6 is an office clerk. For all x_6, if x_6 were an office clerk, then x_6 is sleeping. For all x_6, if x_6 sleeps, then x_6 is reading a book.
There is at least one x_6 for which x_6 will sleep. For all x_6, if x_6 were an office clerk, then x_6 is reading a book.