context: Chances are slight that Bernhard is gray. There is almost no chance that Greg is a rhino. It is highly likely that John went to the bedroom.
hypothesis: It is impossible that greg is a rhino, and Bernhard is gray.
valid_hypothesis: It is impossible that greg is a rhino, and Bernhard is gray.
invalid_hypothesis: It is almost certain that greg is a rhino, and Bernhard is gray.
hypothesis_assertion: Greg is a rhino, and Bernhard is gray.