context: It is impossible that John got the milk. It is probable that Bill moved to the office. There is almost no chance that Bernhard is a rhino. It is probable that if either John got the milk, or Bill moved to the office, then Fred left the football. There is little chance that if either Bernhard is a rhino, or John got the milk, then Brian is green. It is unlikely that if Bernhard is a rhino, or Bill moved to the office, then Greg is a swan.
hypothesis: It is impossible that either Bill moved to the office, or Brian is green.
valid_hypothesis: It is likely that either Bill moved to the office, or Brian is green.
invalid_hypothesis: It is impossible that either Bill moved to the office, or Brian is green.
hypothesis_assertion: Either Bill moved to the office, or Brian is green.