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_23 for which x_23 is sad if and only if x_23 is rich. For all x_23, if x_23 cooks, then x_23 is a politician. For all x_23, x_23 is not rich. For all x_23, x_23 will work if and only if x_23 is a politician. For all x_23, x_23 will work if and only if x_23 is sad.
For all x_23, if x_23 works, then x_23 is a politician. For all x_23, if x_23 works, then x_23 is sad. There is at least one x_23 for which if x_23 were sad, then x_23 is rich. For all x_23, if x_23 were a politician, then x_23 is working. For all x_23, if x_23 were sad, then x_23 is working. There is at least one x_23 for which if x_23 were rich, then x_23 is sad. There is at least one x_23 for which x_23 is not sad.