context: It is certain that Greg is yellow. There is little chance that Bernhard is white. It is improbable that John dropped the apple. It is probable that if Greg is yellow, and Bernhard is white, then Julius is green. We doubt that if Bernhard is white, and John dropped the apple, then Mary moved to the office. Chances are slight that if either Bernhard is white, or Greg is yellow, then Daniel grabbed the milk.
hypothesis: It is highly unlikely that julius is green, or Greg is yellow.
valid_hypothesis: It is certain that julius is green, or Greg is yellow.
invalid_hypothesis: It is highly unlikely that julius is green, or Greg is yellow.
hypothesis_assertion: Julius is green, or Greg is yellow.