context: A canoe in the distance on a lake as seen from another canoe.
hypothesis: It is probable that a canoe has come untied from the dock and is drifting.
valid_hypothesis: There is almost no chance that a canoe has come untied from the dock and is drifting.
invalid_hypothesis: It is probable that a canoe has come untied from the dock and is drifting.
hypothesis_assertion: A canoe has come untied from the dock and is drifting.