context: We doubt that Brian is green. Chances are slight that Greg is a rhino. It is highly likely that Julius is a lion.
hypothesis: It is unlikely that either Julius is a lion, or Brian is green.
valid_hypothesis: We believe that either Julius is a lion, or Brian is green.
invalid_hypothesis: It is unlikely that either Julius is a lion, or Brian is green.
hypothesis_assertion: Either Julius is a lion, or Brian is green.