context: There is a very good chance that Julius is green. Chances are about even that Greg is a lion. Chances are about even that John is in the office.
hypothesis: There is almost no chance that either Greg is a lion, or Julius is green.
valid_hypothesis: Chances are about even that either Greg is a lion, or Julius is green.
invalid_hypothesis: There is almost no chance that either Greg is a lion, or Julius is green.
hypothesis_assertion: Either Greg is a lion, or Julius is green.