That marshal could not be found, and he had the only key.

But humor is not the only key to the show's initial success.

His mother doesn't know what to do because that is the only key to get into her house.

Technology, of course, is not the only key to improving safety.

And the building manager holding the only keys had gone home for the night.

"Everyone knows we have age on defense, but that's not the only key," Young said.

But Allen was not the only key running back on the team.

But even though the series mirrors the game, that's not the only key to its success.

But that's not the only key to making solid contact.

He kept the only key and straightened the room himself.