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 for which x is a politician if and only if x will make tea. For all x, if x were a politician, then x is making tea.
There is at least one x for which if x were a politician, then x is making tea. There is at least one x for which if x makes tea, then x is a politician.