What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, x_7 will listen to a song. For all x_7, if x_7 were a politician, then x_7 is cooking. For all x_7, x_7 will read a book if and only if x_7 is a politician. For all x_7, if x_7 reads a book, then x_7 is not listening to a song. For all x_7, if x_7 cooks, then x_7 is a politician.
For all x_7, x_7 will not read a book. For all x_7, x_7 is a politician if and only if x_7 will cook. For all x_7, x_7 will cook if and only if x_7 is a politician. For all x_7, if x_7 reads a book, then x_7 is a politician. For all x_7, if x_7 were a politician, then x_7 is reading a book.