context: It is probable that Greg is white. It is almost certain that Mary put down the apple. It is likely that John is in the bathroom.
hypothesis: It is probable that either Greg is white, or Mary put down the apple.
valid_hypothesis: It is probably not the case that either Greg is white, or Mary put down the apple.
invalid_hypothesis: It is probable that either Greg is white, or Mary put down the apple.
hypothesis_assertion: Either Greg is white, or Mary put down the apple.