context: It is unlikely that Bill got the milk there. There is little chance that Antoine is hungry. There is almost no chance that Brian is white. There is almost no chance that if Antoine is hungry, or Bill got the milk there, then Greg is a rhino. Chances are slight that if Bill got the milk there, and Brian is white, then Emily is a cat. We doubt that if Antoine is hungry, or Brian is white, then Bernhard is a lion.
hypothesis: There is almost no chance that greg is a rhino, or Brian is white.
valid_hypothesis: There is almost no chance that greg is a rhino, or Brian is white.
invalid_hypothesis: It is almost certain that greg is a rhino, or Brian is white.
hypothesis_assertion: Greg is a rhino, or Brian is white.