context: Chances are slight that Bernhard is a lion. It is improbable that John got the football. It is impossible that Brian is a rhino. There is almost no chance that if Bernhard is a lion, or Brian is a rhino, then Lily is a swan. There is little chance that if Brian is a rhino, and Bernhard is a lion, then Mary moved to the office. It is highly likely that if John got the football, and Bernhard is a lion, then Greg is yellow.
hypothesis: It is likely that mary moved to the office, or John got the football.
valid_hypothesis: It is improbable that mary moved to the office, or John got the football.
invalid_hypothesis: It is likely that mary moved to the office, or John got the football.
hypothesis_assertion: Mary moved to the office, or John got the football.