context: There is almost no chance that Greg is a rhino. It is highly unlikely that Sandra got the football. There is almost no chance that Brian is green.
hypothesis: It is highly unlikely that greg is a rhino, or Sandra got the football.
valid_hypothesis: It is highly unlikely that greg is a rhino, or Sandra got the football.
invalid_hypothesis: There is a better than even chance that greg is a rhino, or Sandra got the football.
hypothesis_assertion: Greg is a rhino, or Sandra got the football.