context: Chances are slight that John took the milk. It is highly unlikely that Lily is gray. Chances are slight that Greg is a lion.
hypothesis: There is little chance that either Greg is a lion, or Lily is gray.
valid_hypothesis: There is little chance that either Greg is a lion, or Lily is gray.
invalid_hypothesis: It is likely that either Greg is a lion, or Lily is gray.
hypothesis_assertion: Either Greg is a lion, or Lily is gray.