What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_16, x_16 is a server. For all x_16, x_16 is an electrician if and only if x_16 is a server. There is at least one x_16 for which if x_16 were a poet, then x_16 is not an electrician. For all x_16, if x_16 makes tea, then x_16 is a poet.
For all x_16, if x_16 were an electrician, then x_16 is a server. For all x_16, if x_16 were a server, then x_16 is an electrician.