context: It is certain that Mary went to the kitchen. There is a better than even chance that Brian is green. Chances are slight that Greg is gray. There is almost no chance that if Brian is green, and Greg is gray, then John moved to the garden. It is highly likely that if either Brian is green, or Greg is gray, then Bernhard is a frog. It is highly likely that if Brian is green, or Mary went to the kitchen, then Lily is a swan.
hypothesis: It is certain that greg is gray, or Mary went to the kitchen.
valid_hypothesis: It is certain that greg is gray, or Mary went to the kitchen.
invalid_hypothesis: It is unlikely that greg is gray, or Mary went to the kitchen.
hypothesis_assertion: Greg is gray, or Mary went to the kitchen.