context: Chances are slight that Greg is a swan. It is probably not the case that Gertrude is a wolf. It is highly likely that Lily is green.
hypothesis: It is improbable that either Gertrude is a wolf, or Lily is green.
valid_hypothesis: It is likely that either Gertrude is a wolf, or Lily is green.
invalid_hypothesis: It is improbable that either Gertrude is a wolf, or Lily is green.
hypothesis_assertion: Either Gertrude is a wolf, or Lily is green.