context: It is impossible that Julius is a swan. It is highly likely that John went to the garden. Chances are slight that Sandra grabbed the milk.
hypothesis: Chances are slight that john went to the garden, and Sandra grabbed the milk.
valid_hypothesis: Chances are slight that john went to the garden, and Sandra grabbed the milk.
invalid_hypothesis: It is likely that john went to the garden, and Sandra grabbed the milk.
hypothesis_assertion: John went to the garden, and Sandra grabbed the milk.