context: It is certain that John grabbed the apple. We doubt that Mary went to the kitchen. It is almost certain that Greg is a swan.
hypothesis: It is almost certain that john grabbed the apple, and Greg is a swan.
valid_hypothesis: It is almost certain that john grabbed the apple, and Greg is a swan.
invalid_hypothesis: It is probably not the case that john grabbed the apple, and Greg is a swan.
hypothesis_assertion: John grabbed the apple, and Greg is a swan.