context: It is improbable that Daniel grabbed the milk. Chances are about even that Julius is a frog. There is a very good chance that Lily is yellow. Chances are about even that if Daniel grabbed the milk, and Julius is a frog, then John went to the bedroom. There is little chance that if Lily is yellow, or Daniel grabbed the milk, then Bernhard is a rhino. It is probably the case that if either Daniel grabbed the milk, or Lily is yellow, then Mary put down the apple.
hypothesis: Chances are about even that mary put down the apple, or Bernhard is a rhino.
valid_hypothesis: Chances are about even that mary put down the apple, or Bernhard is a rhino.
invalid_hypothesis: There is almost no chance that mary put down the apple, or Bernhard is a rhino.
hypothesis_assertion: Mary put down the apple, or Bernhard is a rhino.