context: Chances are slight that Julius is white. It is probably the case that Greg is gray. It is impossible that Lily is gray. It is impossible that if Lily is gray, or Greg is gray, then Bernhard is a frog. We believe that if Julius is white, and Lily is gray, then Gertrude is a mouse. There is almost no chance that if either Julius is white, or Greg is gray, then Sandra got the football.
hypothesis: It is probably the case that either Sandra got the football, or Greg is gray.
valid_hypothesis: It is probably the case that either Sandra got the football, or Greg is gray.
invalid_hypothesis: We doubt that either Sandra got the football, or Greg is gray.
hypothesis_assertion: Either Sandra got the football, or Greg is gray.