context: It is unlikely that Brian is a swan. It is highly unlikely that Julius is a rhino. It is likely that Greg is green.
hypothesis: We believe that greg is green, or Brian is a swan.
valid_hypothesis: We believe that greg is green, or Brian is a swan.
invalid_hypothesis: There is almost no chance that greg is green, or Brian is a swan.
hypothesis_assertion: Greg is green, or Brian is a swan.