context: There is a very good chance that Bernhard is white. It is impossible that Greg is gray. Chances are about even that Lily is white. Chances are slight that if either Lily is white, or Bernhard is white, then Sandra grabbed the milk. It is improbable that if Lily is white, or Bernhard is white, then Brian is yellow. It is highly likely that if Greg is gray, or Bernhard is white, then John moved to the office.
hypothesis: We believe that either Sandra grabbed the milk, or Bernhard is white.
valid_hypothesis: We believe that either Sandra grabbed the milk, or Bernhard is white.
invalid_hypothesis: It is improbable that either Sandra grabbed the milk, or Bernhard is white.
hypothesis_assertion: Either Sandra grabbed the milk, or Bernhard is white.