What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Susan sleeps, then it is not raining. It is raining. It is windy if and only if Susan is a taxi driver. For all x_17, x_17 will sleep if and only if x_17 is a taxi driver.
Susan is not sleeping. If it is windy, then Susan is a taxi driver. If Susan were a taxi driver, then it is windy. For all x_17, if x_17 sleeps, then x_17 is a taxi driver. For all x_17, if x_17 were a taxi driver, then x_17 is sleeping.