51.   But he soon became irritable, then delirious, sure signs, wrote Leslie, of a massive head injury.

52.   But he usually left it on the podium, a sure sign of his disdain.

53.   But privately, some have already begun to discuss possible successors, a sure sign that they detect the scent of a political carcass.

54.   But the archeological aspect to these exhumations seems a sure sign that both traditions are stuck, especially in comparison with the past.

55.   But the language is unnecessarily crude, which is almost always a sure sign of inferior writing.

56.   But this excessive attention to one style and the growing homogeneity of the alternative rock played on the radio are sure signs that the freshness is fast becoming stale.

57.   Buyers are taking a conservative approach by pricing wheat no more than two months ahead, a sure sign they expect supplies to be plentiful, he said.

58.   Digging and chewing are sure signs of a bored dog.

59.   Dirty insulation is a sure sign of this.

60.   Doing one thing at a time is a sure sign of an underachiever in turn-of-the-century America.