context: There is a very good chance that Sandra got the football. It is impossible that Bernhard is yellow. There is almost no chance that Brian is a rhino.
hypothesis: There is almost no chance that sandra got the football, and Brian is a rhino.
valid_hypothesis: There is almost no chance that sandra got the football, and Brian is a rhino.
invalid_hypothesis: It is highly likely that sandra got the football, and Brian is a rhino.
hypothesis_assertion: Sandra got the football, and Brian is a rhino.