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 goes running, then x_9 is sleeping. There is at least one x_9 for which if x_9 were excited, then x_9 is running. For all x_9, x_9 is excited if and only if x_9 is a taxi driver.
There is at least one x_9 for which if x_9 were excited, then x_9 is sleeping. For all x_9, if x_9 were excited, then x_9 is a taxi driver. For all x_9, if x_9 were a taxi driver, then x_9 is excited.