context: It is certain that Lily is a frog. It is probably not the case that Bernhard is gray. It is probably the case that Brian is a rhino. There is little chance that if Lily is a frog, or Brian is a rhino, then Bill is in the kitchen. It is likely that if either Lily is a frog, or Brian is a rhino, then Sandra took the milk. There is almost no chance that if Bernhard is gray, or Brian is a rhino, then Jeff moved to the office.
hypothesis: It is improbable that either Brian is a rhino, or Jeff moved to the office.
valid_hypothesis: It is probable that either Brian is a rhino, or Jeff moved to the office.
invalid_hypothesis: It is improbable that either Brian is a rhino, or Jeff moved to the office.
hypothesis_assertion: Either Brian is a rhino, or Jeff moved to the office.