Nancy felt overwhelmed by the sheer number of keys. Seeing a drawing above the lock she breathed a sigh of relief. At least there was a hint. She removed a key, gave it a quick examination, and tried it. Nothing. She tried another, and again, nothing. Taking a deep breath she removed the fourth key from the top row, and seeing that it looked like a close match, stuck it into the lock.
"Nancy, hurry! We've got to get in there now," Debbie begged.
Nancy closed her eyes, praying it would be the correct one. She twisted and it opened.