context: It is improbable that John took the apple. It is almost certain that Mary went to the office. It is highly likely that Daniel got the milk. It is almost certain that if either John took the apple, or Daniel got the milk, then Lily is white. It is highly unlikely that if either Daniel got the milk, or Mary went to the office, then Bernhard is a lion. There is little chance that if Daniel got the milk, or Mary went to the office, then Brian is a rhino.
hypothesis: We believe that either John took the apple, or Brian is a rhino.
valid_hypothesis: It is unlikely that either John took the apple, or Brian is a rhino.
invalid_hypothesis: We believe that either John took the apple, or Brian is a rhino.
hypothesis_assertion: Either John took the apple, or Brian is a rhino.