context: It is unlikely that Lily is a frog. We doubt that Greg is white. It is almost certain that Bernhard is a rhino.
hypothesis: We believe that greg is white, and Lily is a frog.
valid_hypothesis: It is highly unlikely that greg is white, and Lily is a frog.
invalid_hypothesis: We believe that greg is white, and Lily is a frog.
hypothesis_assertion: Greg is white, and Lily is a frog.