context: It is unlikely that Julius is a frog. It is probably not the case that Emily is a mouse. There is little chance that Greg is a rhino. It is probably the case that if either Greg is a rhino, or Emily is a mouse, then Bernhard is gray. Chances are slight that if either Julius is a frog, or Emily is a mouse, then Brian is a swan. It is probable that if either Greg is a rhino, or Emily is a mouse, then Lily is a lion.
hypothesis: It is probable that lily is a lion, or Brian is a swan.
valid_hypothesis: It is probably not the case that lily is a lion, or Brian is a swan.
invalid_hypothesis: It is probable that lily is a lion, or Brian is a swan.
hypothesis_assertion: Lily is a lion, or Brian is a swan.