51.  He has heard possible reasons for the omission, in a time when the politics of the National Collegiate Athletic Association and the Amateur Athletic Union determined opportunities.

52.  He never mentioned another possible reason, the street protests that greeted his arrival.

53.  He said there were other possible reasons, beyond cocaine use, that could be blamed, including more serious viruses or toxic substances.

54.  Health policy experts gave several possible reasons for the increase in the number of the uninsured.

55.  Historians have often pondered the possible reasons for choosing Vespucci over Columbus.

56.  I can think of no other possible reason for adult-league softball.

57.  In a letter to insurance agents mailed last month, Trust president Craig Bradley hinted at some other possible reasons for the loss.

58.  In any case, one does not have to search far to come up with possible reasons that investors may have gotten nervous.

59.  In seeking possible reasons, scientists are cornering each other at meetings or talking to each other on the telephone or writing provocative editorials in journals.

60.  Industry executives and experts cite many other possible reasons for the increased vigilance.