What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If David were bored, then Jennifer is a writer. David is bored or it is not late. If it is windy, then it is cold. If Jennifer were a writer, then it is windy.
If David were bored, then it is windy. If Jennifer were a writer, then it is cold. If it is late, then David is bored.