context: Chances are slight that Mary dropped the apple. It is improbable that John got the milk. It is almost certain that Emily is a mouse.
hypothesis: There is almost no chance that mary dropped the apple, and John got the milk.
valid_hypothesis: There is almost no chance that mary dropped the apple, and John got the milk.
invalid_hypothesis: It is likely that mary dropped the apple, and John got the milk.
hypothesis_assertion: Mary dropped the apple, and John got the milk.