context: There is a very good chance that Brian is yellow. It is impossible that Fred went to the kitchen. Chances are about even that John moved to the garden.
hypothesis: It is highly likely that brian is yellow, or John moved to the garden.
valid_hypothesis: It is highly likely that brian is yellow, or John moved to the garden.
invalid_hypothesis: There is almost no chance that brian is yellow, or John moved to the garden.
hypothesis_assertion: Brian is yellow, or John moved to the garden.