context: There is a very good chance that Emily is a sheep. It is probably the case that Daniel dropped the milk. It is probable that Greg is white. It is probably not the case that if Daniel dropped the milk, or Emily is a sheep, then Brian is gray. It is likely that if Greg is white, or Emily is a sheep, then Bill went to the bedroom. It is certain that if Emily is a sheep, or Greg is white, then Lily is a lion.
hypothesis: It is probable that either Lily is a lion, or Emily is a sheep.
valid_hypothesis: Chances are slight that either Lily is a lion, or Emily is a sheep.
invalid_hypothesis: It is probable that either Lily is a lion, or Emily is a sheep.
hypothesis_assertion: Either Lily is a lion, or Emily is a sheep.