context: It is likely that Bernhard is a lion. We believe that John picked up the milk. It is impossible that Fred dropped the apple. There is a very good chance that if Fred dropped the apple, or John picked up the milk, then Julius is white. It is impossible that if John picked up the milk, and Fred dropped the apple, then Winona is a wolf. It is almost certain that if Bernhard is a lion, or Fred dropped the apple, then Lily is a frog.
hypothesis: It is highly likely that lily is a frog, or Julius is white.
valid_hypothesis: It is highly likely that lily is a frog, or Julius is white.
invalid_hypothesis: There is almost no chance that lily is a frog, or Julius is white.
hypothesis_assertion: Lily is a frog, or Julius is white.