context: It is probably not the case that Greg is green. It is certain that Julius is gray. We doubt that Emily is a sheep.
hypothesis: There is almost no chance that emily is a sheep, or Greg is green.
valid_hypothesis: Chances are about even that emily is a sheep, or Greg is green.
invalid_hypothesis: There is almost no chance that emily is a sheep, or Greg is green.
hypothesis_assertion: Emily is a sheep, or Greg is green.