context: It is impossible that Bernhard is a swan. It is highly unlikely that Daniel took the football. It is probably not the case that Brian is white. It is highly unlikely that if Daniel took the football, or Bernhard is a swan, then Emily is a sheep. We believe that if Daniel took the football, or Bernhard is a swan, then Lily is green. Chances are slight that if Brian is white, and Daniel took the football, then John went to the office.
hypothesis: There is almost no chance that daniel took the football, and Brian is white.
valid_hypothesis: There is almost no chance that daniel took the football, and Brian is white.
invalid_hypothesis: It is likely that daniel took the football, and Brian is white.
hypothesis_assertion: Daniel took the football, and Brian is white.