What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_9, x_9 will not sleep. There is at least one x_9 for which if x_9 makes tea, then x_9 is sleeping. For all x_9, x_9 is a poet or x_9 is a cashier. For all x_9, x_9 will make tea if and only if x_9 is a poet.
There is at least one x_9 for which x_9 will not make tea. For all x_9, if x_9 makes tea, then x_9 is a poet. For all x_9, if x_9 were a poet, then x_9 is making tea.