context: There is a very good chance that Sandra left the football. It is impossible that John got the apple. We believe that Greg is yellow.
hypothesis: There is a better than even chance that greg is yellow, and Sandra left the football.
valid_hypothesis: There is a better than even chance that greg is yellow, and Sandra left the football.
invalid_hypothesis: It is improbable that greg is yellow, and Sandra left the football.
hypothesis_assertion: Greg is yellow, and Sandra left the football.