context: It is highly likely that John took the milk. We doubt that Bernhard is a lion. It is probably not the case that Greg is gray.
hypothesis: It is almost certain that greg is gray, or John took the milk.
valid_hypothesis: It is almost certain that greg is gray, or John took the milk.
invalid_hypothesis: There is little chance that greg is gray, or John took the milk.
hypothesis_assertion: Greg is gray, or John took the milk.