context: It is impossible that Gertrude is a wolf. It is almost certain that Fred moved to the office. Chances are about even that Julius is a lion. It is likely that if either Julius is a lion, or Fred moved to the office, then Jeff went to the kitchen. Chances are about even that if Gertrude is a wolf, or Julius is a lion, then Bill put down the milk. It is almost certain that if either Julius is a lion, or Fred moved to the office, then Lily is yellow.
hypothesis: It is almost certain that either Lily is yellow, or Gertrude is a wolf.
valid_hypothesis: Chances are about even that either Lily is yellow, or Gertrude is a wolf.
invalid_hypothesis: It is almost certain that either Lily is yellow, or Gertrude is a wolf.
hypothesis_assertion: Either Lily is yellow, or Gertrude is a wolf.