context: Chances are about even that Brian is a rhino. It is almost certain that Sandra left the football. Chances are about even that John got the milk.
hypothesis: There is little chance that brian is a rhino, or Sandra left the football.
valid_hypothesis: It is almost certain that brian is a rhino, or Sandra left the football.
invalid_hypothesis: There is little chance that brian is a rhino, or Sandra left the football.
hypothesis_assertion: Brian is a rhino, or Sandra left the football.