What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_7, x_7 will make tea if and only if x_7 is an electrician. For all x_7, if x_7 were an electrician, then x_7 is a scientist. There is at least one x_7 for which if x_7 were a scientist, then x_7 is rich.
There is at least one x_7 for which if x_7 were an electrician, then x_7 is rich. For all x_7, if x_7 makes tea, then x_7 is an electrician. For all x_7, if x_7 were an electrician, then x_7 is making tea.