context: There is a very good chance that Julius is a lion. It is almost certain that Bernhard is gray. It is certain that Julie is in the kitchen. There is a better than even chance that if Julius is a lion, and Julie is in the kitchen, then Brian is a frog. It is highly unlikely that if either Bernhard is gray, or Julius is a lion, then John picked up the milk. Chances are about even that if Bernhard is gray, or Julius is a lion, then Daniel left the apple.
hypothesis: Chances are about even that either Brian is a frog, or Bernhard is gray.
valid_hypothesis: Chances are about even that either Brian is a frog, or Bernhard is gray.
invalid_hypothesis: There is almost no chance that either Brian is a frog, or Bernhard is gray.
hypothesis_assertion: Either Brian is a frog, or Bernhard is gray.