context: Chances are slight that Julius is white. It is probably the case that John left the milk. It is probably the case that Mary went to the bedroom. We believe that if Mary went to the bedroom, or John left the milk, then Brian is a frog. It is impossible that if Julius is white, and Mary went to the bedroom, then Lily is a swan. It is highly unlikely that if Julius is white, and Mary went to the bedroom, then Daniel took the apple.
hypothesis: We doubt that daniel took the apple, or John left the milk.
valid_hypothesis: It is likely that daniel took the apple, or John left the milk.
invalid_hypothesis: We doubt that daniel took the apple, or John left the milk.
hypothesis_assertion: Daniel took the apple, or John left the milk.