context: It is certain that Mary is in the bathroom. It is improbable that Lily is a frog. Chances are about even that Greg is white.
hypothesis: Chances are slight that greg is white, or Mary is in the bathroom.
valid_hypothesis: It is certain that greg is white, or Mary is in the bathroom.
invalid_hypothesis: Chances are slight that greg is white, or Mary is in the bathroom.
hypothesis_assertion: Greg is white, or Mary is in the bathroom.