It was the only sign that she'd been here at all.

Our fire was the only sign of human life he'd seen in hours.

The one, the only sign we down here would receive.

It was the only sign of character he ever showed.

But that was the only sign he heard the words at all.

The only sign of life was almost a mile away inside the control center.

Heart attack may be the first and only sign that indeed the blood pressure is too low.

Now the only sign is that all the signs in the world make no difference.

The new building is not the only sign of the museum's rise.

That was not the only sign of hope for national Republicans.