context: It is probably not the case that Julius is green. It is probable that Lily is white. Chances are slight that Sandra left the football.
hypothesis: It is highly unlikely that sandra left the football, and Lily is white.
valid_hypothesis: It is highly unlikely that sandra left the football, and Lily is white.
invalid_hypothesis: There is a better than even chance that sandra left the football, and Lily is white.
hypothesis_assertion: Sandra left the football, and Lily is white.