context: It is unlikely that Greg is a rhino. It is probably not the case that Julius is green. Chances are slight that Lily is a frog.
hypothesis: We believe that greg is a rhino, and Lily is a frog.
valid_hypothesis: There is almost no chance that greg is a rhino, and Lily is a frog.
invalid_hypothesis: We believe that greg is a rhino, and Lily is a frog.
hypothesis_assertion: Greg is a rhino, and Lily is a frog.