context: It is likely that Greg is a rhino. Chances are slight that Bernhard is a frog. There is a very good chance that Julius is gray.
hypothesis: Chances are slight that julius is gray, and Bernhard is a frog.
valid_hypothesis: Chances are slight that julius is gray, and Bernhard is a frog.
invalid_hypothesis: There is a very good chance that julius is gray, and Bernhard is a frog.
hypothesis_assertion: Julius is gray, and Bernhard is a frog.