context: Chances are about even that Lily is a lion. It is likely that Greg is a swan. It is likely that Winona is a wolf.
hypothesis: There is a very good chance that lily is a lion, or Greg is a swan.
valid_hypothesis: There is a very good chance that lily is a lion, or Greg is a swan.
invalid_hypothesis: It is unlikely that lily is a lion, or Greg is a swan.
hypothesis_assertion: Lily is a lion, or Greg is a swan.