What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? It is not cold. If it is windy, then it is cold. If it is cold, then it is windy. If Elisabeth drinks water, then Jennifer is a taxi driver. If Jennifer were a taxi driver, then it is windy.
It is not windy. If Elisabeth drinks water, then it is windy. If Jennifer were a taxi driver, then it is cold. It is windy if and only if it is cold. It is cold if and only if it is windy.