context: We doubt that John put down the apple. It is unlikely that Bernhard is gray. It is probably not the case that Brian is green. Chances are slight that if either Brian is green, or Bernhard is gray, then Bill went to the bedroom. It is probably the case that if either Bernhard is gray, or Brian is green, then Julius is white. It is probably the case that if Brian is green, and John put down the apple, then Greg is gray.
hypothesis: It is probably not the case that greg is gray, or Brian is green.
valid_hypothesis: It is probably not the case that greg is gray, or Brian is green.
invalid_hypothesis: It is probable that greg is gray, or Brian is green.
hypothesis_assertion: Greg is gray, or Brian is green.