What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all y_2, if y_2 were an artist, then y_2 is a taxi driver. For all y_2, if y_2 makes tea, then y_2 is an artist. For all y_2, if y_2 were a taxi driver, then y_2 is making tea.
For all y_2, if y_2 were an artist, then y_2 is making tea. For all y_2, if y_2 makes tea, then y_2 is a taxi driver. For all y_2, if y_2 were a taxi driver, then y_2 is an artist.