context: It is almost certain that Gertrude is a sheep. It is unlikely that Greg is a rhino. It is unlikely that Daniel left the football. It is certain that if Gertrude is a sheep, or Daniel left the football, then Brian is white. Chances are slight that if Daniel left the football, or Greg is a rhino, then Bill went to the kitchen. It is probable that if Daniel left the football, and Gertrude is a sheep, then John moved to the office.
hypothesis: It is highly likely that john moved to the office, and Bill went to the kitchen.
valid_hypothesis: There is almost no chance that john moved to the office, and Bill went to the kitchen.
invalid_hypothesis: It is highly likely that john moved to the office, and Bill went to the kitchen.
hypothesis_assertion: John moved to the office, and Bill went to the kitchen.