context: Chances are about even that Bernhard is gray. It is highly likely that Greg is white. Chances are slight that Mary took the milk. It is probable that if Mary took the milk, and Greg is white, then Lily is a rhino. It is impossible that if Greg is white, or Mary took the milk, then Bill moved to the office. There is little chance that if either Mary took the milk, or Bernhard is gray, then Brian is a frog.
hypothesis: It is highly unlikely that either Bill moved to the office, or Bernhard is gray.
valid_hypothesis: Chances are about even that either Bill moved to the office, or Bernhard is gray.
invalid_hypothesis: It is highly unlikely that either Bill moved to the office, or Bernhard is gray.
hypothesis_assertion: Either Bill moved to the office, or Bernhard is gray.