context: There is a very good chance that Lily is a rhino. There is almost no chance that Brian is a rhino. Chances are slight that John went to the kitchen.
hypothesis: There is little chance that either Brian is a rhino, or John went to the kitchen.
valid_hypothesis: There is little chance that either Brian is a rhino, or John went to the kitchen.
invalid_hypothesis: It is probable that either Brian is a rhino, or John went to the kitchen.
hypothesis_assertion: Either Brian is a rhino, or John went to the kitchen.