context: There is almost no chance that Brian is gray. It is likely that John took the milk. It is certain that Mary grabbed the milk.
hypothesis: Chances are slight that brian is gray, or John took the milk.
valid_hypothesis: It is probably the case that brian is gray, or John took the milk.
invalid_hypothesis: Chances are slight that brian is gray, or John took the milk.
hypothesis_assertion: Brian is gray, or John took the milk.