context: It is almost certain that Brian is a rhino. There is almost no chance that Julius is a swan. It is probably not the case that Mary moved to the office. It is almost certain that if either Julius is a swan, or Mary moved to the office, then Greg is yellow. There is little chance that if Brian is a rhino, or Mary moved to the office, then John got the apple. It is unlikely that if Brian is a rhino, or Mary moved to the office, then Bernhard is white.
hypothesis: It is highly unlikely that either Julius is a swan, or Brian is a rhino.
valid_hypothesis: It is almost certain that either Julius is a swan, or Brian is a rhino.
invalid_hypothesis: It is highly unlikely that either Julius is a swan, or Brian is a rhino.
hypothesis_assertion: Either Julius is a swan, or Brian is a rhino.