context: It is certain that Gertrude is a cat. There is little chance that Mary put down the apple. We doubt that Greg is a lion.
hypothesis: There is almost no chance that greg is a lion, and Mary put down the apple.
valid_hypothesis: There is almost no chance that greg is a lion, and Mary put down the apple.
invalid_hypothesis: There is a very good chance that greg is a lion, and Mary put down the apple.
hypothesis_assertion: Greg is a lion, and Mary put down the apple.