context: It is certain that Mary went to the garden. We believe that Brian is white. It is likely that Julius is a lion.
hypothesis: We doubt that mary went to the garden, or Julius is a lion.
valid_hypothesis: It is certain that mary went to the garden, or Julius is a lion.
invalid_hypothesis: We doubt that mary went to the garden, or Julius is a lion.
hypothesis_assertion: Mary went to the garden, or Julius is a lion.