context: It is highly unlikely that Julius is a swan. Chances are slight that Mary left the apple. It is certain that Greg is a lion.
hypothesis: There is little chance that greg is a lion, or Mary left the apple.
valid_hypothesis: It is certain that greg is a lion, or Mary left the apple.
invalid_hypothesis: There is little chance that greg is a lion, or Mary left the apple.
hypothesis_assertion: Greg is a lion, or Mary left the apple.