What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Barbara is excited if and only if it is late. It is windy if and only if it is cloudy. For all x_14, x_14 is not excited. It is not cloudy.
If Barbara were excited, then it is late. If it is windy, then it is cloudy. If it is late, then Barbara is excited. If it is cloudy, then it is windy. It is not windy.