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, if x_7 drives a car, then x_7 is sleeping. For all x_7, x_7 is not poor. There is at least one x_7 for which x_7 will drive a car or x_7 will climb a mountain. For all x_7, x_7 is poor if and only if x_7 will sleep.
For all x_7, if x_7 were poor, then x_7 is sleeping. For all x_7, if x_7 sleeps, then x_7 is poor. For all x_7, x_7 will not sleep.