context: It is highly likely that Greg is gray. It is probably the case that Bernhard is yellow. It is unlikely that John put down the milk.
hypothesis: It is unlikely that greg is gray, and John put down the milk.
valid_hypothesis: It is unlikely that greg is gray, and John put down the milk.
invalid_hypothesis: There is a very good chance that greg is gray, and John put down the milk.
hypothesis_assertion: Greg is gray, and John put down the milk.