context: It is likely that Sandra left the milk. It is almost certain that John went to the garden. There is a better than even chance that Brian is a lion.
hypothesis: It is certain that brian is a lion, or John went to the garden.
valid_hypothesis: It is certain that brian is a lion, or John went to the garden.
invalid_hypothesis: We doubt that brian is a lion, or John went to the garden.
hypothesis_assertion: Brian is a lion, or John went to the garden.