context: There is little chance that Bernhard is yellow. It is probably the case that Greg is gray. We doubt that Sandra left the milk. It is highly likely that if Sandra left the milk, or Bernhard is yellow, then Julius is white. There is a very good chance that if Greg is gray, and Bernhard is yellow, then Mary grabbed the milk. We doubt that if Bernhard is yellow, and Greg is gray, then Emily is a sheep.
hypothesis: There is a very good chance that greg is gray, or Julius is white.
valid_hypothesis: There is a very good chance that greg is gray, or Julius is white.
invalid_hypothesis: It is unlikely that greg is gray, or Julius is white.
hypothesis_assertion: Greg is gray, or Julius is white.