context: Two young ladies walking down the street together.
hypothesis: There is a better than even chance that the two woman are sisters, and are on their way to their mutual friends house down the street.
valid_hypothesis: It is highly unlikely that the two woman are sisters, and are on their way to their mutual friends house down the street.
invalid_hypothesis: There is a better than even chance that the two woman are sisters, and are on their way to their mutual friends house down the street.
hypothesis_assertion: The two woman are sisters, and are on their way to their mutual friends house down the street.