context: Chances are slight that Sandra left the apple. Chances are slight that Fred went to the garden. It is improbable that Winona is a sheep.
hypothesis: It is almost certain that sandra left the apple, and Fred went to the garden.
valid_hypothesis: There is almost no chance that sandra left the apple, and Fred went to the garden.
invalid_hypothesis: It is almost certain that sandra left the apple, and Fred went to the garden.
hypothesis_assertion: Sandra left the apple, and Fred went to the garden.