1.   Looking up the hollow from our back porch, the mown field was the only sign of human endeavor.

2.   The only sign of his accident is that he walks with a slight limp.

3.   The only sign of human habitation was a charred area where there had once been a fire.

4.   The only sign of modern man from horizon to horizon is the road we followed in.

5.   Today the only sign of violence is the walls spattered with blood.

6.   These hands, and the crisp white shirtsleeves that lead away from them, are the only signs of me in the room.

7.   In most infections the only sign is failure to gain weight or, in more severe cases, weight loss.

8.   But away at Wellington Docks the only sign of life is on the good ship Sea Satin.

9.   And the only signs of upward pressure on labor costs, added Dana Mead, chairman of Tenneco Inc., are for workers in high technology.