context: It is almost certain that Emily is a mouse. It is probable that Julius is a swan. There is a better than even chance that Mary put down the milk. We doubt that if Julius is a swan, or Emily is a mouse, then Bernhard is gray. It is probably not the case that if Julius is a swan, and Emily is a mouse, then John went to the kitchen. We doubt that if either Emily is a mouse, or Julius is a swan, then Lily is a rhino.
hypothesis: It is highly likely that emily is a mouse, and Lily is a rhino.
valid_hypothesis: It is highly unlikely that emily is a mouse, and Lily is a rhino.
invalid_hypothesis: It is highly likely that emily is a mouse, and Lily is a rhino.
hypothesis_assertion: Emily is a mouse, and Lily is a rhino.