context: It is improbable that Bernhard is a lion. It is almost certain that Lily is yellow. There is little chance that Greg is a swan. We believe that if either Greg is a swan, or Lily is yellow, then Daniel left the football. It is highly unlikely that if Bernhard is a lion, or Greg is a swan, then Julius is a frog. It is almost certain that if Greg is a swan, and Bernhard is a lion, then John went to the hallway.
hypothesis: There is a better than even chance that either Daniel left the football, or Julius is a frog.
valid_hypothesis: There is a better than even chance that either Daniel left the football, or Julius is a frog.
invalid_hypothesis: There is little chance that either Daniel left the football, or Julius is a frog.
hypothesis_assertion: Either Daniel left the football, or Julius is a frog.