context: There is a better than even chance that Lily is green. Chances are slight that Fred is in the park. Chances are about even that Greg is white. We believe that if Fred is in the park, or Greg is white, then John went to the bedroom. There is almost no chance that if Fred is in the park, and Greg is white, then Bernhard is gray. It is certain that if Greg is white, or Fred is in the park, then Mary moved to the office.
hypothesis: It is highly likely that greg is white, and John went to the bedroom.
valid_hypothesis: It is probably not the case that greg is white, and John went to the bedroom.
invalid_hypothesis: It is highly likely that greg is white, and John went to the bedroom.
hypothesis_assertion: Greg is white, and John went to the bedroom.