context: It is almost certain that John put down the apple. Chances are slight that Greg is gray. There is little chance that Mary went to the garden.
hypothesis: It is improbable that either John put down the apple, or Mary went to the garden.
valid_hypothesis: It is highly likely that either John put down the apple, or Mary went to the garden.
invalid_hypothesis: It is improbable that either John put down the apple, or Mary went to the garden.
hypothesis_assertion: Either John put down the apple, or Mary went to the garden.