context: It is highly unlikely that Bernhard is a swan. There is almost no chance that Fred moved to the office. It is improbable that Greg is yellow.
hypothesis: Chances are slight that greg is yellow, or Fred moved to the office.
valid_hypothesis: Chances are slight that greg is yellow, or Fred moved to the office.
invalid_hypothesis: There is a better than even chance that greg is yellow, or Fred moved to the office.
hypothesis_assertion: Greg is yellow, or Fred moved to the office.