context: There is almost no chance that Julius is a lion. It is probably not the case that Brian is a frog. We doubt that John got the milk.
hypothesis: It is highly unlikely that brian is a frog, and John got the milk.
valid_hypothesis: It is highly unlikely that brian is a frog, and John got the milk.
invalid_hypothesis: It is almost certain that brian is a frog, and John got the milk.
hypothesis_assertion: Brian is a frog, and John got the milk.