context: There is a very good chance that John moved to the garden. It is improbable that Greg is gray. It is probably the case that Brian is a frog.
hypothesis: It is highly unlikely that brian is a frog, and John moved to the garden.
valid_hypothesis: There is a better than even chance that brian is a frog, and John moved to the garden.
invalid_hypothesis: It is highly unlikely that brian is a frog, and John moved to the garden.
hypothesis_assertion: Brian is a frog, and John moved to the garden.