Task: Question Answering
Input (English): Context: My bag had n't been * visible * from the door ; in fact , it was on a shelf above my desk in anticipation of moving said desk ( which then did n't happen ) . And now my bag was moved down , sitting on top of my desk , still containing phone and sunglasses but now sans wallet . I cursed and quickly checked for anything else missing . 
Question: Why is it important that I could n't see my purse ?
Output (English): Someone robbed me without being witnessed .