What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Jennifer drives a car, then Jennifer is a cashier. If Charles climbs a mountain, then Jennifer is driving a car. If Susan were a poet, then Charles is climbing a mountain. If Jennifer were a cashier, then Susan is a poet.
If Jennifer drives a car, then Susan is a poet. If Charles climbs a mountain, then Jennifer is a cashier. If Susan were a poet, then Jennifer is driving a car. If Jennifer were a cashier, then Charles is climbing a mountain.