Context:
Honourable senators, I am somewhat hesitant, even humbled, to introduce my rather technical subject after listening to the learned debate this afternoon on Bill C-20. The quality of the debate has been unusually high and fascinating, given the nature of the subject matter - the very survival of our great nation.
Hypothesis: The nation's very survival is at stake because of a potato shortage.
It's impossible to say
Context:
Mahbob Amiri, head of Afghanistan's quick-reaction force, said Monday's bomb in the capital detonated as a United Nations vehicle drove past.
Hypothesis: The bomb detonated at sunset.
It's impossible to say
Context:
Waste in the ponds produced by leaching gold from ore is a source of potential environmental dangers.
Hypothesis: Leaky oil drums can be another potential environmental danger.

It's impossible to say