context: It is unlikely that Greg is yellow. It is unlikely that Gertrude is a wolf. It is impossible that Sandra got the apple.
hypothesis: It is unlikely that greg is yellow, or Sandra got the apple.
valid_hypothesis: It is unlikely that greg is yellow, or Sandra got the apple.
invalid_hypothesis: It is certain that greg is yellow, or Sandra got the apple.
hypothesis_assertion: Greg is yellow, or Sandra got the apple.