context: It is probable that Julius is yellow. It is likely that Brian is a lion. We doubt that John went to the garden.
hypothesis: Chances are slight that john went to the garden, and Julius is yellow.
valid_hypothesis: Chances are slight that john went to the garden, and Julius is yellow.
invalid_hypothesis: It is likely that john went to the garden, and Julius is yellow.
hypothesis_assertion: John went to the garden, and Julius is yellow.