context: It is unlikely that Mary dropped the apple. Chances are slight that Brian is yellow. It is improbable that John went to the garden.
hypothesis: It is probably not the case that mary dropped the apple, or John went to the garden.
valid_hypothesis: It is probably not the case that mary dropped the apple, or John went to the garden.
invalid_hypothesis: It is probably the case that mary dropped the apple, or John went to the garden.
hypothesis_assertion: Mary dropped the apple, or John went to the garden.