Sapphire raised her hand and instead of trying to find a answer why it would help she wanted to ask a question "Professor taking the smell out of cheese might be good so that mice and rats can't find it and eat it, but what about blind people how would that benifit them if that charm was used on them?" Sapphire knew that she would probably be ridaculed amoung the other Slytherin's for this question but in her mind she thought to her self "someone could easily do that as a mean prank"