context: Chances are slight that Fred moved to the office. We believe that John picked up the apple. It is improbable that Bernhard is white. There is little chance that if John picked up the apple, or Fred moved to the office, then Lily is gray. It is impossible that if John picked up the apple, and Bernhard is white, then Brian is green. It is almost certain that if either John picked up the apple, or Fred moved to the office, then Sandra grabbed the milk.
hypothesis: There is almost no chance that fred moved to the office, or Sandra grabbed the milk.
valid_hypothesis: We believe that fred moved to the office, or Sandra grabbed the milk.
invalid_hypothesis: There is almost no chance that fred moved to the office, or Sandra grabbed the milk.
hypothesis_assertion: Fred moved to the office, or Sandra grabbed the milk.