context: It is unlikely that Julius is gray. It is probably not the case that Julie is in the office. Chances are about even that Greg is a frog.
hypothesis: It is certain that either Greg is a frog, or Julie is in the office.
valid_hypothesis: Chances are about even that either Greg is a frog, or Julie is in the office.
invalid_hypothesis: It is certain that either Greg is a frog, or Julie is in the office.
hypothesis_assertion: Either Greg is a frog, or Julie is in the office.