context: It is highly unlikely that Bernhard is a swan. It is almost certain that Lily is a rhino. Chances are about even that Mary went to the garden.
hypothesis: It is highly unlikely that lily is a rhino, and Bernhard is a swan.
valid_hypothesis: It is highly unlikely that lily is a rhino, and Bernhard is a swan.
invalid_hypothesis: Chances are about even that lily is a rhino, and Bernhard is a swan.
hypothesis_assertion: Lily is a rhino, and Bernhard is a swan.