context: There is a better than even chance that Bernhard is a swan. It is probable that Mary went to the garden. We believe that Sandra left the football.
hypothesis: It is highly likely that bernhard is a swan, or Sandra left the football.
valid_hypothesis: It is highly likely that bernhard is a swan, or Sandra left the football.
invalid_hypothesis: Chances are slight that bernhard is a swan, or Sandra left the football.
hypothesis_assertion: Bernhard is a swan, or Sandra left the football.