context: We doubt that Julius is a lion. It is improbable that Bernhard is a frog. We believe that Brian is gray.
hypothesis: It is likely that either Bernhard is a frog, or Brian is gray.
valid_hypothesis: It is likely that either Bernhard is a frog, or Brian is gray.
invalid_hypothesis: It is highly unlikely that either Bernhard is a frog, or Brian is gray.
hypothesis_assertion: Either Bernhard is a frog, or Brian is gray.