context: It is impossible that Brian is a frog. It is unlikely that Mary got the apple. There is a better than even chance that John went to the garden.
hypothesis: We doubt that either Mary got the apple, or Brian is a frog.
valid_hypothesis: We doubt that either Mary got the apple, or Brian is a frog.
invalid_hypothesis: It is likely that either Mary got the apple, or Brian is a frog.
hypothesis_assertion: Either Mary got the apple, or Brian is a frog.