context: There is little chance that Emily is a mouse. There is a better than even chance that John went to the garden. Chances are slight that Greg is a swan.
hypothesis: Chances are about even that emily is a mouse, and Greg is a swan.
valid_hypothesis: There is almost no chance that emily is a mouse, and Greg is a swan.
invalid_hypothesis: Chances are about even that emily is a mouse, and Greg is a swan.
hypothesis_assertion: Emily is a mouse, and Greg is a swan.