What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_10 for which x_10 will make tea or x_10 will not read a book. For all x_10, x_10 will make tea if and only if x_10 will read a book.
There is at least one x_10 for which if x_10 reads a book, then x_10 is making tea. For all x_10, if x_10 makes tea, then x_10 is reading a book. For all x_10, if x_10 reads a book, then x_10 is making tea.