Read the following context and answer the question.
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 would someone only steal the wallet ?
Answer:


None of the above choices .