context: There is a very good chance that Mary dropped the apple. It is highly likely that Bernhard is a swan. Chances are about even that Bill went to the kitchen.
hypothesis: It is unlikely that mary dropped the apple, or Bill went to the kitchen.
valid_hypothesis: It is highly likely that mary dropped the apple, or Bill went to the kitchen.
invalid_hypothesis: It is unlikely that mary dropped the apple, or Bill went to the kitchen.
hypothesis_assertion: Mary dropped the apple, or Bill went to the kitchen.