Task: Question Answering
Input (English): It should be interesting . Niels was supposed to come to Metro , but I don't think he did unless he had come and gone by the time I got there . I didn't work today , but left my car there and walked to campus . If he didn't come today than maybe he'll be there tomorrow or Friday . 
Question: What's a possible reason the writer didn't work today ?
Output (English): Because they aren't scheduled to work .