context: It is probably not the case that Mary went to the garden. It is improbable that Lily is a swan. There is almost no chance that Julius is a rhino. It is highly unlikely that if Mary went to the garden, and Julius is a rhino, then Fred is in the school. There is a better than even chance that if Lily is a swan, or Julius is a rhino, then Bernhard is white. It is probably not the case that if Julius is a rhino, and Lily is a swan, then Daniel grabbed the apple.
hypothesis: There is almost no chance that mary went to the garden, and Lily is a swan.
valid_hypothesis: There is almost no chance that mary went to the garden, and Lily is a swan.
invalid_hypothesis: It is probable that mary went to the garden, and Lily is a swan.
hypothesis_assertion: Mary went to the garden, and Lily is a swan.