context: It is unlikely that Mary went to the kitchen. It is unlikely that Lily is white. It is improbable that Julie is in the bedroom.
hypothesis: There is almost no chance that julie is in the bedroom, and Mary went to the kitchen.
valid_hypothesis: There is almost no chance that julie is in the bedroom, and Mary went to the kitchen.
invalid_hypothesis: Chances are about even that julie is in the bedroom, and Mary went to the kitchen.
hypothesis_assertion: Julie is in the bedroom, and Mary went to the kitchen.