context: It is probably the case that Julius is a frog. It is probable that Mary moved to the garden. Chances are slight that Lily is yellow. There is a better than even chance that if Lily is yellow, and Mary moved to the garden, then Greg is green. There is almost no chance that if either Lily is yellow, or Julius is a frog, then Bernhard is gray. There is a better than even chance that if either Lily is yellow, or Julius is a frog, then Brian is gray.
hypothesis: There is almost no chance that either Brian is gray, or Bernhard is gray.
valid_hypothesis: Chances are about even that either Brian is gray, or Bernhard is gray.
invalid_hypothesis: There is almost no chance that either Brian is gray, or Bernhard is gray.
hypothesis_assertion: Either Brian is gray, or Bernhard is gray.