context: It is almost certain that Bill moved to the office. There is almost no chance that Greg is a lion. It is unlikely that Emily is a wolf. Chances are about even that if Emily is a wolf, and Greg is a lion, then Bernhard is a frog. We doubt that if either Bill moved to the office, or Emily is a wolf, then Julius is gray. Chances are slight that if Emily is a wolf, and Bill moved to the office, then Lily is a rhino.
hypothesis: It is likely that either Emily is a wolf, or Greg is a lion.
valid_hypothesis: It is unlikely that either Emily is a wolf, or Greg is a lion.
invalid_hypothesis: It is likely that either Emily is a wolf, or Greg is a lion.
hypothesis_assertion: Either Emily is a wolf, or Greg is a lion.