context: It is likely that Greg is a rhino. Chances are about even that Bernhard is a swan. There is almost no chance that Lily is yellow.
hypothesis: There is almost no chance that lily is yellow, and Greg is a rhino.
valid_hypothesis: There is almost no chance that lily is yellow, and Greg is a rhino.
invalid_hypothesis: There is a better than even chance that lily is yellow, and Greg is a rhino.
hypothesis_assertion: Lily is yellow, and Greg is a rhino.