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, if x_9 were happy, then x_9 is rich. For all x_9, x_9 is happy. There is at least one x_9 for which x_9 will climb a mountain. For all x_9, if x_9 were fast, then x_9 is rich. For all x_9, if x_9 were rich, then x_9 is driving a car.
For all x_9, x_9 is rich. For all x_9, if x_9 were happy, then x_9 is driving a car. For all x_9, if x_9 were fast, then x_9 is driving a car. There is at least one x_9 for which x_9 will climb a mountain and x_9 is happy. There is at least one x_9 for which x_9 is happy and x_9 will climb a mountain.