context: We doubt that Emily is a cat. It is unlikely that Julius is white. We believe that Greg is white.
hypothesis: There is a better than even chance that greg is white, and Emily is a cat.
valid_hypothesis: It is improbable that greg is white, and Emily is a cat.
invalid_hypothesis: There is a better than even chance that greg is white, and Emily is a cat.
hypothesis_assertion: Greg is white, and Emily is a cat.