context: Chances are slight that Mary put down the milk. It is unlikely that Lily is a swan. There is a better than even chance that Greg is a frog.
hypothesis: It is probably not the case that mary put down the milk, or Lily is a swan.
valid_hypothesis: It is probably not the case that mary put down the milk, or Lily is a swan.
invalid_hypothesis: It is highly likely that mary put down the milk, or Lily is a swan.
hypothesis_assertion: Mary put down the milk, or Lily is a swan.