context: We doubt that Winona is a wolf. It is impossible that Brian is a frog. It is unlikely that John picked up the milk.
hypothesis: It is almost certain that brian is a frog, and John picked up the milk.
valid_hypothesis: It is impossible that brian is a frog, and John picked up the milk.
invalid_hypothesis: It is almost certain that brian is a frog, and John picked up the milk.
hypothesis_assertion: Brian is a frog, and John picked up the milk.