71.   No explanation is given for his insane behavior.

72.   No further explanation has been given.

73.   No explanation was ever given for the confiscations.

74.   No explanation was ever given.

75.   No explanation was given immediately for his absence.

76.   No explanation was given immediately.

77.   Officials from various wings of the military gave conflicting explanations for why the fighters got so close to the passenger jet.

78.   Officials gave contradictory explanations for why they were canceled and why officials continued to promote the events until the last minute.