context: It is likely that Julius is yellow. Chances are about even that Brian is a rhino. It is almost certain that Lily is gray. Chances are about even that if Lily is gray, or Julius is yellow, then Greg is white. It is certain that if Julius is yellow, or Lily is gray, then Jessica is a sheep. It is certain that if either Lily is gray, or Brian is a rhino, then Mary moved to the garden.
hypothesis: Chances are about even that either Brian is a rhino, or Lily is gray.
valid_hypothesis: Chances are about even that either Brian is a rhino, or Lily is gray.
invalid_hypothesis: It is highly unlikely that either Brian is a rhino, or Lily is gray.
hypothesis_assertion: Either Brian is a rhino, or Lily is gray.