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, x_6 is an astronaut. For all x_6, x_6 will read a book if and only if x_6 will listen to a song. For all x_6, x_6 is a politician if and only if x_6 will read a book. For all x_6, if x_6 listens to a song, then x_6 is not an astronaut.
For all x_6, x_6 will not listen to a song. For all x_6, if x_6 reads a book, then x_6 is listening to a song. For all x_6, if x_6 were a politician, then x_6 is reading a book. For all x_6, if x_6 listens to a song, then x_6 is reading a book. For all x_6, if x_6 reads a book, then x_6 is a politician.