What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, if x makes tea, then x is playing tennis. There is at least one x for which x is a writer or x is not a musician. For all x, if x were a writer, then x is making tea.
For all x, if x were a writer, then x is playing tennis. There is at least one x for which if x were a musician, then x is a writer.