81.   Officials caution that the estimate is still being prepared.

82.   Officials caution, however, that there is no more direct evidence to support that view.

83.   Officials cautioned, however, that problems could still crop up in coming days.

84.   Officials cautioned that if the shutdown continues much longer, there could be some disruption in services.

85.   Officials cautioned that the changes were not foolproof and still might not ensure that undeserving immigrants slip through the cracks.

86.   Officials cautioned that the latest withdrawal could be postponed if there was a new outbreak of violence in the area.

87.   Officials cautioned that the Treasury department might not seek to ban all of the weapons.

88.   Officials cautioned that until the final summit meeting, there was still a chance that some parts of the accord could change.

89.   Officials cautioned the public not to read too much into the index report, which encompasses a wide range of statistical variables.

90.   Officials tactfully cautioned attendees that their presence did not mean they were blood relatives of the former president.