context: Chances are slight that Brian is green. It is impossible that Daniel left the football. We believe that Greg is green.
hypothesis: It is improbable that daniel left the football, or Brian is green.
valid_hypothesis: It is improbable that daniel left the football, or Brian is green.
invalid_hypothesis: There is a better than even chance that daniel left the football, or Brian is green.
hypothesis_assertion: Daniel left the football, or Brian is green.