context: It is probable that Sandra got the football. It is unlikely that Mary moved to the office. It is probably not the case that Greg is green.
hypothesis: It is highly unlikely that greg is green, or Sandra got the football.
valid_hypothesis: There is a very good chance that greg is green, or Sandra got the football.
invalid_hypothesis: It is highly unlikely that greg is green, or Sandra got the football.
hypothesis_assertion: Greg is green, or Sandra got the football.