What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_9, x_9 will drink water if and only if x_9 is rich. For all x_9, if x_9 were a poet, then x_9 is reading a book. For all x_9, if x_9 reads a book, then x_9 is rich. There is at least one x_9 for which x_9 will not drink water.
For all x_9, if x_9 were a poet, then x_9 is rich. For all x_9, if x_9 drinks water, then x_9 is rich. For all x_9, if x_9 were rich, then x_9 is drinking water. There is at least one x_9 for which x_9 is not rich.