What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, x_10 will not read a book. For all x_10, x_10 will drink water. There is at least one x_10 for which if x_10 were a poet, then x_10 is reading a book. For all x_10, x_10 is a poet or x_10 is a cashier.
There is at least one x_10 for which x_10 is not a poet.