context: It is likely that Gertrude is a wolf. It is almost certain that Fred is in the school. We believe that Brian is white. There is a very good chance that if either Brian is white, or Fred is in the school, then Julius is a lion. It is probable that if Fred is in the school, or Brian is white, then Daniel took the football. There is a better than even chance that if either Fred is in the school, or Brian is white, then Lily is yellow.
hypothesis: It is improbable that either Daniel took the football, or Lily is yellow.
valid_hypothesis: There is a better than even chance that either Daniel took the football, or Lily is yellow.
invalid_hypothesis: It is improbable that either Daniel took the football, or Lily is yellow.
hypothesis_assertion: Either Daniel took the football, or Lily is yellow.