context: There is almost no chance that Brian is a frog. It is unlikely that Bernhard is a rhino. It is highly likely that Julius is yellow.
hypothesis: It is impossible that brian is a frog, and Bernhard is a rhino.
valid_hypothesis: It is impossible that brian is a frog, and Bernhard is a rhino.
invalid_hypothesis: It is probable that brian is a frog, and Bernhard is a rhino.
hypothesis_assertion: Brian is a frog, and Bernhard is a rhino.