What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_7 for which x_7 is a doctor. For all x_7, if x_7 were poor, then x_7 is a poet. For all x_7, x_7 is poor and x_7 is an office clerk.
For all x_7, x_7 is poor. For all x_7, x_7 is an office clerk.