context: We believe that Bernhard is a lion. There is a better than even chance that Daniel left the apple. Chances are slight that Greg is green. There is little chance that if either Greg is green, or Bernhard is a lion, then John put down the apple. It is improbable that if either Greg is green, or Daniel left the apple, then Lily is a swan. It is probably not the case that if Greg is green, and Daniel left the apple, then Mary moved to the garden.
hypothesis: There is a better than even chance that either Daniel left the apple, or Greg is green.
valid_hypothesis: There is a better than even chance that either Daniel left the apple, or Greg is green.
invalid_hypothesis: There is almost no chance that either Daniel left the apple, or Greg is green.
hypothesis_assertion: Either Daniel left the apple, or Greg is green.