context: It is highly likely that Greg is green. Chances are about even that Mary grabbed the milk. It is likely that Sandra left the milk.
hypothesis: There is a better than even chance that greg is green, and Sandra left the milk.
valid_hypothesis: There is a better than even chance that greg is green, and Sandra left the milk.
invalid_hypothesis: Chances are slight that greg is green, and Sandra left the milk.
hypothesis_assertion: Greg is green, and Sandra left the milk.