In the short story, the problem that moves the action of the story Ford is known as the blank

In the short story, the problem that moves the action of the story Ford is known as the blank "missing car keys."

In the short story, the problem that moves the action of the story Ford is known as the "blank." The prompt seems to be incomplete or missing information. It would be helpful if you could provide more details or clarify the specific problem you are referring to in the story called "Ford."