context: It is probably the case that Lily is a frog. Chances are slight that Brian is gray. It is probably not the case that Daniel left the football. It is likely that if Brian is gray, and Daniel left the football, then Emily is a sheep. There is little chance that if either Daniel left the football, or Brian is gray, then Bernhard is white. It is probable that if either Lily is a frog, or Brian is gray, then Mary moved to the office.
hypothesis: It is likely that emily is a sheep, or Bernhard is white.
valid_hypothesis: It is highly unlikely that emily is a sheep, or Bernhard is white.
invalid_hypothesis: It is likely that emily is a sheep, or Bernhard is white.
hypothesis_assertion: Emily is a sheep, or Bernhard is white.