context: There is a better than even chance that Brian is gray. There is little chance that John left the apple. It is likely that Greg is a frog.
hypothesis: It is likely that john left the apple, and Greg is a frog.
valid_hypothesis: It is highly unlikely that john left the apple, and Greg is a frog.
invalid_hypothesis: It is likely that john left the apple, and Greg is a frog.
hypothesis_assertion: John left the apple, and Greg is a frog.