context: It is unlikely that Greg is green. There is a better than even chance that Brian is a swan. There is almost no chance that Winona is a sheep.
hypothesis: There is almost no chance that brian is a swan, and Winona is a sheep.
valid_hypothesis: There is almost no chance that brian is a swan, and Winona is a sheep.
invalid_hypothesis: It is probable that brian is a swan, and Winona is a sheep.
hypothesis_assertion: Brian is a swan, and Winona is a sheep.