context: It is unlikely that Brian is gray. There is almost no chance that Emily is a sheep. There is a better than even chance that Bernhard is green.
hypothesis: We doubt that brian is gray, or Emily is a sheep.
valid_hypothesis: We doubt that brian is gray, or Emily is a sheep.
invalid_hypothesis: There is a very good chance that brian is gray, or Emily is a sheep.
hypothesis_assertion: Brian is gray, or Emily is a sheep.