context: It is probable that Mary moved to the office. It is almost certain that Sandra grabbed the milk. There is almost no chance that Brian is a swan.
hypothesis: It is highly unlikely that brian is a swan, or Sandra grabbed the milk.
valid_hypothesis: It is almost certain that brian is a swan, or Sandra grabbed the milk.
invalid_hypothesis: It is highly unlikely that brian is a swan, or Sandra grabbed the milk.
hypothesis_assertion: Brian is a swan, or Sandra grabbed the milk.