context: It is impossible that Brian is a swan. It is almost certain that Sandra took the football. There is little chance that Bernhard is a rhino.
hypothesis: It is improbable that either Bernhard is a rhino, or Sandra took the football.
valid_hypothesis: It is highly likely that either Bernhard is a rhino, or Sandra took the football.
invalid_hypothesis: It is improbable that either Bernhard is a rhino, or Sandra took the football.
hypothesis_assertion: Either Bernhard is a rhino, or Sandra took the football.