context: It is likely that Lily is gray. There is little chance that Bernhard is yellow. It is almost certain that Greg is green. It is probably the case that if Lily is gray, and Greg is green, then John moved to the garden. Chances are about even that if Lily is gray, and Greg is green, then Sandra grabbed the milk. It is unlikely that if Greg is green, and Lily is gray, then Mary dropped the apple.
hypothesis: It is probable that greg is green, and Lily is gray.
valid_hypothesis: It is probable that greg is green, and Lily is gray.
invalid_hypothesis: It is probably not the case that greg is green, and Lily is gray.
hypothesis_assertion: Greg is green, and Lily is gray.