context: Chances are about even that Julius is a swan. Chances are about even that Lily is a frog. We doubt that Sandra got the apple. Chances are about even that if Julius is a swan, or Sandra got the apple, then Bill put down the milk. Chances are slight that if Julius is a swan, or Lily is a frog, then Greg is white. It is almost certain that if either Julius is a swan, or Sandra got the apple, then Mary went to the hallway.
hypothesis: There is almost no chance that lily is a frog, or Sandra got the apple.
valid_hypothesis: There is a better than even chance that lily is a frog, or Sandra got the apple.
invalid_hypothesis: There is almost no chance that lily is a frog, or Sandra got the apple.
hypothesis_assertion: Lily is a frog, or Sandra got the apple.