context: There is a better than even chance that Greg is a rhino. It is probable that Brian is a frog. There is a very good chance that Lily is white. Chances are about even that if Lily is white, or Brian is a frog, then Mary moved to the office. There is almost no chance that if Brian is a frog, or Greg is a rhino, then John picked up the apple. It is probable that if Lily is white, and Greg is a rhino, then Bernhard is green.
hypothesis: Chances are about even that greg is a rhino, and Lily is white.
valid_hypothesis: Chances are about even that greg is a rhino, and Lily is white.
invalid_hypothesis: There is almost no chance that greg is a rhino, and Lily is white.
hypothesis_assertion: Greg is a rhino, and Lily is white.