context: We believe that Julius is gray. It is likely that John put down the milk. It is probable that Sandra got the football. Chances are slight that if either John put down the milk, or Sandra got the football, then Bernhard is a lion. It is highly unlikely that if either Julius is gray, or John put down the milk, then Brian is a frog. There is little chance that if Julius is gray, and Sandra got the football, then Lily is white.
hypothesis: It is probably the case that either Bernhard is a lion, or John put down the milk.
valid_hypothesis: It is probably the case that either Bernhard is a lion, or John put down the milk.
invalid_hypothesis: It is unlikely that either Bernhard is a lion, or John put down the milk.
hypothesis_assertion: Either Bernhard is a lion, or John put down the milk.