context: Chances are about even that Brian is a frog. There is a very good chance that Lily is a lion. Chances are about even that Emily is a cat. It is impossible that if Brian is a frog, and Lily is a lion, then Greg is gray. There is a very good chance that if Lily is a lion, or Emily is a cat, then Jessica is a wolf. It is almost certain that if Brian is a frog, or Lily is a lion, then Mary went to the office.
hypothesis: It is certain that either Jessica is a wolf, or Emily is a cat.
valid_hypothesis: Chances are about even that either Jessica is a wolf, or Emily is a cat.
invalid_hypothesis: It is certain that either Jessica is a wolf, or Emily is a cat.
hypothesis_assertion: Either Jessica is a wolf, or Emily is a cat.