Katherine was standing a few steps outside of her class. The teacher had asked someone to get some printouts for the class, and Katy had volunteered.She was heading back to the class, when she heard the sound. [i] Whatever could that be?'[/i] she wondered. After a moment's hesitation, Katy walked towards the source of the sound, the printouts still with her. She would just take a quick look, Katy decided. She had brought the printouts pretty quickly, so she could spare a minute or another. With that decision made, she turned towards the source.