What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_12, if x_12 makes tea, then x_12 is playing squash. For all x_12, if x_12 plays squash, then x_12 is reading a book. For all x_12, x_12 will not read a book. For all x_12, if x_12 reads a book, then x_12 is making tea. There is at least one x_12 for which x_12 will play squash or x_12 is not a writer.
For all x_12, x_12 will not play squash. For all x_12, if x_12 makes tea, then x_12 is reading a book. For all x_12, if x_12 plays squash, then x_12 is making tea. For all x_12, if x_12 reads a book, then x_12 is playing squash. There is at least one x_12 for which if x_12 were a writer, then x_12 is playing squash.