context: There is almost no chance that John left the milk. We believe that Julius is a frog. Chances are slight that Fred dropped the apple.
hypothesis: It is almost certain that john left the milk, and Fred dropped the apple.
valid_hypothesis: It is impossible that john left the milk, and Fred dropped the apple.
invalid_hypothesis: It is almost certain that john left the milk, and Fred dropped the apple.
hypothesis_assertion: John left the milk, and Fred dropped the apple.