81.   But Feirstein said his contribution was less humor than concept.

82.   But his main contribution to basketball was one which he did not choose, but which he endured.

83.   But its bigger contribution is to attempt to forge a second racing groove on the track.

84.   But if there is a pension plan, the contribution may be fully, partially or not at all deductible, depending on various income limits.

85.   But like an Agatha Christie mystery, there were other contributions, too.

86.   But many executives say that corporate contributions are good business and are a hallmark of corporate citizenship.

87.   But negative reactions are just as important to this experiment as are contributions.

88.   But the allied contribution has been significant, making up at least half the total missions flown.

89.   But the contributions from everybody are more important than the goals themselves.

90.   But the other rookie contributions were bonuses.