context: There is little chance that Brian is gray. It is likely that Mary dropped the milk. It is probably the case that Gertrude is a wolf. It is impossible that if Mary dropped the milk, or Gertrude is a wolf, then Julius is a swan. There is almost no chance that if either Brian is gray, or Gertrude is a wolf, then Sandra left the apple. It is impossible that if Mary dropped the milk, or Brian is gray, then Lily is a frog.
hypothesis: It is improbable that gertrude is a wolf, or Sandra left the apple.
valid_hypothesis: It is probable that gertrude is a wolf, or Sandra left the apple.
invalid_hypothesis: It is improbable that gertrude is a wolf, or Sandra left the apple.
hypothesis_assertion: Gertrude is a wolf, or Sandra left the apple.