context: There is a better than even chance that John picked up the milk. There is a very good chance that Bernhard is a rhino. It is probably the case that Daniel got the football. We believe that if John picked up the milk, or Daniel got the football, then Greg is yellow. It is probably not the case that if Daniel got the football, and John picked up the milk, then Julius is gray. It is probable that if either Bernhard is a rhino, or Daniel got the football, then Brian is green.
hypothesis: We believe that julius is gray, and John picked up the milk.
valid_hypothesis: There is little chance that julius is gray, and John picked up the milk.
invalid_hypothesis: We believe that julius is gray, and John picked up the milk.
hypothesis_assertion: Julius is gray, and John picked up the milk.