context: We doubt that Lily is gray. Chances are about even that Greg is green. There is a very good chance that Bernhard is a rhino. Chances are slight that if Greg is green, and Bernhard is a rhino, then Mary left the milk. It is probably the case that if Bernhard is a rhino, and Greg is green, then John discarded the apple. It is highly unlikely that if Lily is gray, or Bernhard is a rhino, then Julie is in the kitchen.
hypothesis: We doubt that lily is gray, and Bernhard is a rhino.
valid_hypothesis: We doubt that lily is gray, and Bernhard is a rhino.
invalid_hypothesis: We believe that lily is gray, and Bernhard is a rhino.
hypothesis_assertion: Lily is gray, and Bernhard is a rhino.