context: It is certain that Julius is gray. There is almost no chance that Emily is a mouse. There is little chance that Brian is a rhino. There is a very good chance that if either Julius is gray, or Emily is a mouse, then Bernhard is a swan. It is almost certain that if Emily is a mouse, or Brian is a rhino, then Sandra got the apple. It is unlikely that if Emily is a mouse, or Julius is gray, then John went to the garden.
hypothesis: There is a better than even chance that brian is a rhino, and Emily is a mouse.
valid_hypothesis: It is impossible that brian is a rhino, and Emily is a mouse.
invalid_hypothesis: There is a better than even chance that brian is a rhino, and Emily is a mouse.
hypothesis_assertion: Brian is a rhino, and Emily is a mouse.