context: Chances are slight that Bernhard is white. It is probably the case that John left the football. We doubt that Lily is white. It is impossible that if either Bernhard is white, or Lily is white, then Julius is a lion. It is probably the case that if Bernhard is white, and Lily is white, then Greg is green. Chances are about even that if John left the football, and Bernhard is white, then Yann is tired.
hypothesis: There is almost no chance that bernhard is white, and Greg is green.
valid_hypothesis: There is almost no chance that bernhard is white, and Greg is green.
invalid_hypothesis: There is a better than even chance that bernhard is white, and Greg is green.
hypothesis_assertion: Bernhard is white, and Greg is green.