It is therefore impossible to say whether faults in the software are to blame or not.
It is impossible to say whether, if true, any of this might have been spotted earlier.
Dujarric said it was impossible to say whether more allegations against the Tanzanian contingent could surface.
'It's impossible to say whether it has been or not,' says the Leicester manager, Craig Levein.
It was impossible to say whether they were engaged in prayer or in sexual submission.
It's impossible to say whether they were reformed, or whether Davuluri's elegantly dismissive demurral elucidated the error of their ways.
But the couple have been held in secrecy, making it impossible to say whether they spoke under duress.
It is impossible to say whether the darkness had contributed to any of the events that frightened the Cunninghams.
But, he added, it is impossible to say whether it is overly tough, since evidence has not yet been produced.
It's impossible to say whether Foveon will be another PicturePhone (ever own one?) or the next DVD.
In any analysis of his career statistics, it is impossible to say whether this unusual factor was performance-enhancing drugs.
