context: It is highly unlikely that Sandra got the apple. It is highly likely that Lily is gray. Chances are about even that Jeff went to the garden. It is unlikely that if Lily is gray, and Sandra got the apple, then Mary moved to the office. It is certain that if Sandra got the apple, or Jeff went to the garden, then Greg is a lion. It is probable that if Jeff went to the garden, and Sandra got the apple, then Gertrude is a wolf.
hypothesis: Chances are slight that sandra got the apple, or Lily is gray.
valid_hypothesis: It is highly likely that sandra got the apple, or Lily is gray.
invalid_hypothesis: Chances are slight that sandra got the apple, or Lily is gray.
hypothesis_assertion: Sandra got the apple, or Lily is gray.