context: There is almost no chance that Brian is white. Chances are slight that Greg is a lion. Chances are slight that Lily is a rhino.
hypothesis: It is likely that brian is white, or Greg is a lion.
valid_hypothesis: There is little chance that brian is white, or Greg is a lion.
invalid_hypothesis: It is likely that brian is white, or Greg is a lion.
hypothesis_assertion: Brian is white, or Greg is a lion.