context: There is a better than even chance that Brian is gray. It is probably the case that Greg is a lion. There is a better than even chance that Mary went to the office.
hypothesis: Chances are about even that greg is a lion, and Mary went to the office.
valid_hypothesis: Chances are about even that greg is a lion, and Mary went to the office.
invalid_hypothesis: It is almost certain that greg is a lion, and Mary went to the office.
hypothesis_assertion: Greg is a lion, and Mary went to the office.