context: It is unlikely that Greg is a swan. It is highly unlikely that Julius is a frog. It is almost certain that Bernhard is yellow.
hypothesis: It is likely that julius is a frog, or Greg is a swan.
valid_hypothesis: It is probably not the case that julius is a frog, or Greg is a swan.
invalid_hypothesis: It is likely that julius is a frog, or Greg is a swan.
hypothesis_assertion: Julius is a frog, or Greg is a swan.