context: Chances are slight that Brian is a frog. It is probable that Greg is a lion. It is highly likely that Daniel left the apple.
hypothesis: It is improbable that daniel left the apple, and Greg is a lion.
valid_hypothesis: There is a better than even chance that daniel left the apple, and Greg is a lion.
invalid_hypothesis: It is improbable that daniel left the apple, and Greg is a lion.
hypothesis_assertion: Daniel left the apple, and Greg is a lion.